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Genus Perdita Smith, 1853

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Perdita abdominalis Timberlake, 19600
Perdita abducta Timberlake, 19800
Perdita acapulcona Timberlake, 19540
Perdita aculeata Timberlake, 19680
Perdita adustiventris Timberlake, 19640
Perdita agasta Timberlake, 19580
Perdita albescens Timberlake, 19800
Perdita albihirta Timberlake, 19540
Perdita albipennis Cresson, 18680
Perdita albipes Timberlake, 19620
Perdita albiventris Timberlake, 19640
Perdita albomaculata Timberlake, 19800
Perdita albomarginata Timberlake, 19800
Perdita albonotata Timberlake, 19540
Perdita albovittata Cockerell, 18950
Perdita alexi Timberlake, 19680
Perdita amoena Timberlake, 19560
Perdita annectens Timberlake, 19680
Perdita apicalis Timberlake, 19770
Perdita arenaria Timberlake, 19540
Perdita arnaudi Timberlake, 19580
Perdita ashmeadi Cockerell, 18990
Perdita ashmeadi ashmeadi Cockerell, 18990
Perdita ashmeadi simulans Timberlake, 19640
Perdita ashmeadi vierecki Cockerell, 19070
Perdita asteris Cockerell, 18960
Perdita atriventris Timberlake, 19600
Perdita atrovirens Timberlake, 19680
Perdita azteca Timberlake, 19540
Perdita baileyae Cockerell, 19090
Perdita beameri Timberlake, 19640
Perdita beata Cockerell, 18960
Perdita beata beata Cockerell, 18960
Perdita bequaerti Viereck, 19172
Perdita bequaerti bequaerti Viereck, 19170
Perdita bequaertiana Cockerell, 19510
Perdita bicolor (Smith, 1853)0
Perdita bicuspidariae Timberlake, 19620
Perdita bidentata Timberlake, 19560
Perdita bidenticauda Timberlake, 19530
Perdita bigeloviae Cockerell, 18960
Perdita binotata Timberlake, 19540
Perdita biornata Timberlake, 19790
Perdita bishoppi Cockerell, 19063
Perdita bishoppi bishoppi Cockerell, 19060
Perdita bishoppi planorum Timberlake, 19560
Perdita blatchleyi Timberlake, 19520
Perdita boltoniae (Robertson, 1902)0
Perdita boltoniae boltoniae (Robertson, 1902)0
Perdita boltoniae calens Timberlake, 19680
Perdita boltoniae chrysopsina Timberlake, 19280
Perdita bradleyana Timberlake, 19540
Perdita bradleyi Viereck, 19072
Perdita brevicornis Timberlake, 19800
Perdita bruneri Cockerell, 18970
Perdita caerulescens Timberlake, 19640
Perdita californica (Cresson, 1878)0
Perdita callicerata Cockerell, 18970
Perdita cambarella Cockerell, 19060
Perdita cambarella cambarella Cockerell, 19060
Perdita cambarella platyura Cockerell, 19220
Perdita cara Timberlake, 19580
Perdita cazieri Timberlake, 19600
Perdita chamaesarachae Cockerell, 18960
Perdita chemsaki Timberlake, 19800
Perdita chihuahua Timberlake, 19640
Perdita chrysophila Cockerell, 18960
Perdita chrysophila chrysophila Cockerell, 18960
Perdita chrysophila quadricincta Timberlake, 19680
Perdita cingulata Timberlake, 19800
Perdita cladothricis Cockerell, 18960
Perdita clarifacies Cockerell, 19230
Perdita coahuilensis Timberlake, 19540
Perdita coldeniae Timberlake, 19540
Perdita concolor Timberlake, 19680
Perdita concors Timberlake, 19580
Perdita confusa Timberlake, 19640
Perdita congrua Timberlake, 19710
Perdita consimilis Timberlake, 19680
Perdita consobrina consobrina Timberlake, 19280
Perdita consobrina lepida Timberlake, 19520
Perdita coreopsidis Cockerell, 19060
Perdita coreopsidis collaris Cockerell, 19160
Perdita coreopsidis coreopsidis Cockerell, 19060
Perdita coreopsidis kansensis Timberlake, 19530
Perdita coreopsidis obscurior Timberlake, 19530
Perdita covilleae Timberlake, 19580
Perdita crassa Timberlake, 19580
Perdita crawfordi Cockerell, 19010
Perdita crotoniae Gil.0
Perdita crotonis Cockerell, 18960
Perdita crotonis australis Timberlake, 19600
Perdita crotonis crotonis Cockerell, 18960
Perdita crotonis decipiens Timberlake, 19600
Perdita cushmani Timberlake, 19640
Perdita dalyi Timberlake, 19600
Perdita dasylirii Cockerell, 19070
Perdita debilis Timberlake, 19680
Perdita decemnotata Timberlake, 19620
Perdita deltophora Timberlake, 19640
Perdita dichroa Timberlake, 19580
Perdita differens Timberlake, 19640
Perdita difficilis Timberlake, 19640
Perdita dimidiata Timberlake, 19620
Perdita diminutiva Timberlake, 19770
Perdita dispar Timberlake, 19640
Perdita dispilota Timberlake, 19680
Perdita dissimulans Timberlake, 19540
Perdita divaricata Timberlake, 19680
Perdita diversa Timberlake, 19540
Perdita dolanensis Neff, 20030
Perdita dreisbachi Timberlake, 19640
Perdita drymariae Timberlake, in Mitchell, 19600
Perdita duplicata Timberlake, 19640
Perdita durangoensis Timberlake, 19600
Perdita echinocacti Timberlake, 19540
Perdita elimata Timberlake, 19640
Perdita ensenadensis Timberlake, 19600
Perdita erudita Cockerell, 19230
Perdita eucnides Timberlake, 19640
Perdita eucnides platyzona Timberlake, 19640
Perdita euphorbiae Timberlake, 19540
Perdita evansi Timberlake, 19640
Perdita ewarti Timberlake, 19710
Perdita exclamans Cockerell, 18950
Perdita eximia Timberlake, 19640
Perdita eysenhardtiae Timberlake, 19640
Perdita fallax Cockerell, 18960
Perdita fedorensis Cockerell, 19160
Perdita fidissima Timberlake, 19680
Perdita fieldi Timberlake, 19560
Perdita flavicornis Timberlake, 19800
Perdita flavipes Timberlake, 19640
Perdita floridensis Timberlake, 19280
Perdita fortis Timberlake, 19710
Perdita foveata Timberlake, 19560
Perdita foveata brachycephala Timberlake, 19560
Perdita foveata foveata Timberlake, 19560
Perdita foveata persimilis Timberlake, 19560
Perdita fracticincta Timberlake, 19530
Perdita fulvicauda Timberlake, 19620
Perdita fulviventris Timberlake, 19800
Perdita fumipennis Timberlake, 19640
Perdita genalis Timberlake, 19640
Perdita georgica Timberlake, 19280
Perdita gerardiae Crawford, 19320
Perdita gerhardi dallasiana Cockerell, 19060
Perdita gerhardi monardae Viereck, 19040
Perdita gertschi Timberlake, 19580
Perdita gillaspyi Timberlake, 19800
Perdita gracilior Timberlake, 19770
Perdita graenicheri Timberlake, 19470
Perdita gratiosa Timberlake, 19710
Perdita greggiae Timberlake, 19680
Perdita guerreroensis Timberlake, 19640
Perdita gutierreziae Cockerell, 18960
Perdita halictoides Smith, 18530
Perdita haplura Cockerell, 19220
Perdita heliotropii Cockerell, 19000
Perdita heliotropii heliotropii Cockerell, 19000
Perdita heterothecae Cockerell, 19000
Perdita heterothecae heterothecae Cockerell, 19000
Perdita hidalgoensis Timberlake, 19680
Perdita hiemalis Timberlake, 19800
Perdita hippolyta Portman & Griswold, in Portman et al., 20160
Perdita hirsuta Cockerell, 18960
Perdita hirtuosa Timberlake, 19800
Perdita hooki Portman & Neff, in Portman et al., 20160
Perdita hurdi Timberlake, 19560
Perdita ignota Cockerell, 18960
Perdita ignota basalis Timberlake, 19580
Perdita ignota ignota Cockerell, 18960
Perdita ignota isopappi Timberlake, 19280
Perdita ignota jaliscana Timberlake, 19580
Perdita impar Timberlake, 19790
Perdita impigra Timberlake, 19680
Perdita incana Timberlake, 19580
Perdita incompta Timberlake, 19640
Perdita infuscata Timberlake, 19770
Perdita innotata Timberlake, 19640
Perdita irwini Timberlake, 19680
Perdita islacabritosensis Ascher & Engel, 20120
Perdita janzeni Timberlake, 19800
Perdita jonesi Cockerell, 19160
Perdita keiferi Timberlake, 19280
Perdita kiowi Griswold, in Griswold & Parker, 19880
Perdita knulli Timberlake, 19600
Perdita krombeini Timberlake, in Mitchell, 19600
Perdita labergei Timberlake, 19600
Perdita labrosa Timberlake, 19800
Perdita larreae Cockerell, 18960
Perdita lasiogastra Timberlake, 19290
Perdita laticauda Timberlake, 19530
Perdita layiae Cockerell, 19380
Perdita layiae basalicola Cockerell, 19410
Perdita leechi Timberlake, 19680
Perdita lenis Timberlake, 19580
Perdita lepachidis lepachidis Cockerell, 18960
Perdita lepachidis levifrons Timberlake, 19530
Perdita leucogastra Timberlake, 19640
Perdita leucophylli Timberlake, 19640
Perdita levissima Timberlake, 19640
Perdita lingualis Cockerell, 18960
Perdita lipovskyi Timberlake, 19640
Perdita lobata Timberlake, 19530
Perdita luciae Cockerell, 18990
Perdita luciae decora Timberlake, 19640
Perdita luciae luciae Cockerell, 18990
Perdita lucidella Timberlake, 19640
Perdita lustrans Timberlake, 19640
Perdita macswaini Timberlake, 19640
Perdita macswaini flavolineata Timberlake, 19640
Perdita maculigera maculigera Cockerell, 18960
Perdita maculigera maculipennis Graenicher, 19100
Perdita maerens Timberlake, 19640
Perdita maesta Timberlake, 19640
Perdita malacothricis Timberlake, 19560
Perdita marcialis Cockerell, 18960
Perdita marginata Timberlake, 19640
Perdita maritima Timberlake, 19540
Perdita martini Cockerell, 18950
Perdita mazatlanica Timberlake, 19800
Perdita megapyga Timberlake, 19540
Perdita mentzeliae Cockerell, 18960
Perdita mentzeliarum Cockerell, 18970
Perdita mesillensis Timberlake, 19680
Perdita mexicanorum Cockerell, 19860
Perdita micans Timberlake, 19680
Perdita michelbacheri Timberlake, 19620
Perdita micheneri Timberlake, 19560
Perdita micheneri micheneri Timberlake, 19560
Perdita mimosae Timberlake, 19640
Perdita mimosae efferta Timberlake, 19800
Perdita minima Cockerell, 19230
Perdita minuta Timberlake, 19800
Perdita missionis Timberlake, 19580
Perdita mitchelli Timberlake, 19470
Perdita mitis Timberlake, 19710
Perdita morelosana Timberlake, 19680
Perdita munita Timberlake, 19640
Perdita nanula Timberlake, 19600
Perdita nasuta Timberlake, 19620
Perdita nayaritensis Timberlake, 19790
Perdita nigricornis Timberlake, 19640
Perdita nigridia Timberlake, 19620
Perdita nigrifacies Timberlake, 19540
Perdita nigriventris Timberlake, 19540
Perdita nigronotata Timberlake, 19640
Perdita nigroviridis Timberlake, 19540
Perdita novaeangliae Viereck, 19070
Perdita novoleona Timberlake, 19710
Perdita nubila Timberlake, 19580
Perdita numerata Cockerell, 18950
Perdita numerata hesperia Timberlake, 19600
Perdita numerata numerata Cockerell, 18950
Perdita oaxacana Timberlake, 19640
Perdita obliqua Timberlake, 19280
Perdita obliquenotata Timberlake, 19680
Perdita obscurata Cresson, 18780
Perdita obscurella Timberlake, 19640
Perdita obscurifacies Timberlake, 19680
Perdita obscuripennis Timberlake, 19540
Perdita octomaculata Say, 18244
Perdita octomaculata octomaculata Say, 18240
Perdita octomaculata terminata Cockerell, 19220
Perdita otiosa Timberlake, 19710
Perdita pallida Timberlake, 19540
Perdita pallidipes Timberlake, 19640
Perdita paula Timberlake, 19680
Perdita pectidis Cockerell, 18960
Perdita peculiaris Timberlake, 19530
Perdita peninsularis Timberlake, 19680
Perdita pernitens Timberlake, 19800
Perdita perpulchra Cockerell, 18960
Perdita perpulchra flavidior Timberlake, 19530
Perdita perpulchra perpulchra Cockerell, 18960
Perdita perpulchra punctissima Timberlake, 19560
Perdita picturata Timberlake, 19600
Perdita pilonotata Timberlake, 19800
Perdita plucheae Timberlake, 19600
Perdita polycarpae Timberlake, 19540
Perdita polytropica Timberlake, 19620
Perdita pratti Cockerell, 19060
Perdita propodealis Timberlake, 19540
Perdita prosopidis Timberlake, 19640
Perdita pubescens Timberlake, 19680
Perdita pueblana Timberlake, 19640
Perdita pulchella Timberlake, 19540
Perdita pulla Timberlake, 19640
Perdita pumila Timberlake, 19640
Perdita punctifera Cockerell, 19140
Perdita punctosignata Cockerell, 18950
Perdita punctosignata flava Timberlake, 19640
Perdita punctosignata punctosignata Cockerell, 18950
Perdita punctosignata sulphurea Timberlake, 19640
Perdita punctulata Timberlake, 19580
Perdita purpurascens Timberlake, 19560
Perdita quadrinotata Timberlake, 19680
Perdita quinquebalteata Timberlake, 19600
Perdita rehni Cockerell, 19070
Perdita rehni extensa Timberlake, 19620
Perdita rehni rehni Cockerell, 19070
Perdita rhodogastra Timberlake, 19540
Perdita rhois Cockerell, 19010
Perdita robertsi Timberlake, 19680
Perdita rossi Timberlake, 19560
Perdita rozeni Timberlake, 19680
Perdita rubida Timberlake, 19680
Perdita rufescens Timberlake, 19680
Perdita rufiventris (Friese, 1916)0
Perdita salicis Cockerell, 18960
Perdita salicis salicis Cockerell, 18960
Perdita schwartzi Timberlake, 19680
Perdita scopata Timberlake, 19530
Perdita secunda (Cockerell, 1904)0
Perdita sejuncta Timberlake, 19680
Perdita semicaerulea Cockerell, 18960
Perdita seminigra Timberlake, 19560
Perdita separata Timberlake, 19600
Perdita sexmaculata Cockerell, 18950
Perdita sexmaculata octonaria Timberlake, 19620
Perdita sexmaculata sexmaculata Cockerell, 18950
Perdita shinnersi Timberlake, 19560
Perdita sidae Cockerell, 18970
Perdita signata Timberlake, 19540
Perdita solitaria Cockerell, 18970
Perdita sonorensis Cockerell, 18990
Perdita sparsa Fox, 18930
Perdita speciosa Timberlake, 19710
Perdita sphaeralceae Cockerell, 18960
Perdita sphaeraleceae sphaeraleceae Cockerell, 18960
Perdita spheralceae balteata Timberlake, 19640
Perdita stagei Timberlake, 19680
Perdita stathamae Timberlake, 19640
Perdita stepheni Timberlake, 19600
Perdita sternalis Timberlake, 19640
Perdita stigmalis Timberlake, 19710
Perdita subglabra Timberlake, 19710
Perdita submaerens Timberlake, 19800
Perdita subrufiventris Timberlake, 19800
Perdita supranitens Timberlake, 19640
Perdita texana (Cresson, 1878)0
Perdita townesi Timberlake, 19680
Perdita translineata Timberlake, 19600
Perdita triangulifera Timberlake, 19640
Perdita tricincta Timberlake, 19530
Perdita trifasciata Timberlake, 19530
Perdita trinotata Timberlake, 19640
Perdita trisignata trisignata Cockerell, 18960
Perdita tristissima Timberlake, 19680
Perdita tropicalis Cockerell, 19120
Perdita turgiceps Timberlake, 19540
Perdita umbrata Timberlake, 19710
Perdita vanduzeei Cockerell, 19230
Perdita variegata pura Timberlake, 19600
Perdita ventralis Fox, 18930
Perdita venustella Timberlake, 19800
Perdita verbesinae Cockerell, 18960
Perdita versuta Timberlake, 19620
Perdita vidua Timberlake, 19640
Perdita viridicollis Timberlake, 19710
Perdita vittata Cockerell, 19230
Perdita washingtoniae Timberlake, 19710
Perdita williamsi Timberlake, 19620
Perdita wislizeniae Timberlake, 19640
Perdita wootonae Cockerell, 18980
Perdita xanthisma Cockerell, 19050
Perdita xanthoxyli Timberlake, 19680
Perdita yanegai Portman, in Portman et al., 20160
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  • Perdita Smith, 1853:128. Type species: Perdita halictoides Smith, 1853Smith, F. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part I. Andrenidae and Apidae. London. 197 pp, 6 pl., by monotypy.
  • Alloperdita Viereck, 1917:241. Type species: Perdita novaeangliae Viereck, 1907, by monotypy.
  • Cockerellia Ashmead. 1898:284. Type species: Perdita hyalina Cresson, 1878Cresson, E.T. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Transactions of the American Entomological Society 7:61-136. [ = Perdita albipennis Cresson, 1868Cresson, E.T. Catalogue of a small Collection of Hymenoptera made in New Mexico during the summer of 1867. Transactions of the American Entomological Society 1:375-388.], by original designation.
  • Geoperdita Cockerell & Porter, 1899:415, as subgenus of Perdita. Type species: Perdita chamaesarachae Cockerell, 1896Cockerell, T.D.A. The bees of the genus Perdita F. Smith. Proceedings of the Academy of Natural Sciences of Philadelphia 48:25-107., by monotypy.
  • Neoperdita Ashmead, 1899:85. Type species: Perdita zebrata Cresson, 1878, by original designation.
  • Peridita .
  • Philoxanthus Ashmead, 1898:285. Type species: Perdita beata Cockerell, 1896Cockerell, T.D.A. The bees of the genus Perdita F. Smith. Proceedings of the Academy of Natural Sciences of Philadelphia 48:25-107., by original designation. TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part I. University of California Publications In Entomology 9 (6):345-432. (listed as synonym of Cockerellia Ashmead. 1898); MichenerMichener, C.D. The Bees of the World. The John Hopkins University Press, Baltimore and London. 1-913. (listed as synonym of Cockerellia Ashmead. 1898).
  • Tetraperdita Cockerell & Porter, 1899:415, as subgenus of Perdita. Type species: Perdita se♂aculata Cockerell, 1895Cockerell, T.D.A. Some new bees of the genus Perdita. Proceedings of the Academy of Natural Sciences of Philadelphia 47:11-19., by monotypy.
  • Zaperdina Robertson, 1918:91. Type species: Perdita maura Cockerell, 1901Cockerell, T.D.A. New and little-known bees from Nebraska. The Entomologist 34 (458):190-191. [ = Perdita halictoides Smith, 1853Smith, F. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part I. Andrenidae and Apidae. London. 197 pp, 6 pl.], by original designation.
  • Allomacrotera Timberlake. 1960Timberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part IV. University of California Publications In Entomology 17 (1):1-156.:131, as subgenus of Perdita. Type species: Perdita stephanomeriae Timberlake, 1954Timberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part I. University of California Publications In Entomology 9 (6):345-432., by original designation and monotypy. Synonymized with Procockerellia Timberlake. 1954Timberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part I. University of California Publications In Entomology 9 (6):345-432. by Portman & GriswoldPortman, Z.M. & T. Griswold Review of Perdita subgenus Procockerellia Timberlake (Hymenoptera, Andrenidae) and the first Perdita gynandromorph. ZooKeys 712:87-112.:131.

  • Keys: CockerellCockerell, T.D.A. The bees of the genus Perdita F. Smith. Proceedings of the Academy of Natural Sciences of Philadelphia 48:25-107.:45-52; CockerellCockerell, T.D.A. The bees of Boulder County, Colorado. University of Colorado Studies 4:239-259.:247 (Colorado); TimberlakeTimberlake, P.H. Bees of the genus Perdita in the collection of the University of Kansas (Hymenoptera, Apoidea). The University of Kansas Science Bulletin 35, Part 2 (7):961-985.:971-974; TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part I. University of California Publications In Entomology 9 (6):345-432.:346-348 (subgenera); TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part I. University of California Publications In Entomology 9 (6):345-432.:386-391; TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part III. University Of California Publications In Entomology 14 (5):303-410.:304-315 (Zonalis group); TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part III. University Of California Publications In Entomology 14 (5):303-410.:366-367 (Halictoides group); TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part IV. University of California Publications In Entomology 17 (1):1-156.:2-22; TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part V. University of California Publications In Entomology 28 (1):1-124.:2-14 (Ventralis group); TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part V. University of California Publications In Entomology 28 (1):1-124.:97-98 (Zonalis group); TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part VII. University of California Publications In Entomology 49:1-196.:40-43; TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part VII. University of California Publications In Entomology 49:1-196.:57-59 (Halictoides group); TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part VII. University of California Publications In Entomology 49:1-196.:62-67 (Octomaculata group); TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part VII. University of California Publications In Entomology 49:1-196.:95-97 (Ventralis group); TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part VII. University of California Publications In Entomology 49:1-196.:112-118 (Sphaeralceae group); TimberlakeTimberlake, P.H. Supplementary studies on the systematics of the genus Perdita (Hymenoptera, Andrenidae). Part II. University of California Publications In Entomology 85:1-65.:22-24 (Supplementary key to Octomaculata group); TimberlakeTimberlake, P.H. Supplementary studies on the systematics of the genus Perdita (Hymenoptera, Andrenidae). Part II. University of California Publications In Entomology 85:1-65.:35-37 (Supplementary key to Sphaeralceae group); TimberlakeTimberlake, P.H. Supplementary studies on the systematics of the genus Perdita (Hymenoptera, Andrenidae). Part II. University of California Publications In Entomology 85:1-65.:12-13; TimberlakeTimberlake, P.H. A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part I. University of California Publications In Entomology 9 (6):345-432.:402-403; Portman & GriswoldPortman, Z.M. & T. Griswold Review of Perdita subgenus Procockerellia Timberlake (Hymenoptera, Andrenidae) and the first Perdita gynandromorph. ZooKeys 712:87-112.:96-97;