Perdita (Xerophasma)

Griswold, Terry & Miller, Wensdae, 2010, A Revision of Perdita (Xerophasma) Timberlake (Hymenoptera: Andrenidae), Zootaxa 2517 (1), pp. 1-14 : 4

publication ID

https://doi.org/ 10.11646/zootaxa.2517.1.1

DOI

https://doi.org/10.5281/zenodo.5309413

persistent identifier

https://treatment.plazi.org/id/611487AF-FFD1-6623-FF55-FCAFFA50F8C8

treatment provided by

Felipe

scientific name

Perdita (Xerophasma)
status

 

Key to species of Perdita (Xerophasma)

1 Female ........................................................................................................................................................................... 2

- Male ............................................................................................................................................................................ 6

2 Entirely pallid, cream to tan on head and mesosoma .................................................................................................. 3

- Dark brown above antennal sockets, dark brown markings on mesoscutum, propodeum........................................... 4

3 Ocelli greatly enlarged, ocellar diameter nearly 1/3 width of interocular distance at level of median ocellus ( Fig. 4 View FIGURES 1–20 ); large (forewing length> 7 mm) .............................................................................................. bequaertiana Cockerell View in CoL

- Ocelli moderately enlarged, ocellar diameter approximately 1/5 width of interocular distance at level of median ocellus ( Fig. 2 View FIGURES 1–20 ); small (forewing length <7mm) ........................................................................... pallida Timberlake View in CoL

4 Frons dark throughout ( Fig. 1, 3 View FIGURES 1–20 ); gena narrower than eye in lateral view; mesoscutum either dull or densely punctate ................................................................................................................................................................................ 5

- Frons with small dark mark above each antennal socket ( Fig. 5 View FIGURES 1–20 ); gena broader than eye in lateral view; mesoscutum polished and sparsely punctate ......................................................................................................... rhondae Griswold View in CoL

5 Mandible without preapical tooth ( Fig. 3 View FIGURES 1–20 ); clypeus entirely cream-colored; mesoscutum golden brown or dark with 'U' shaped yellow marking, surface shiny, rather densely punctate ............................... vespertina Griswold & Miller View in CoL

- Mandible with preapical tooth ( Fig. 1 View FIGURES 1–20 ); clypeus with medial dark band; mesoscutum entirely dark, surface dull, very sparsely punctate ............................................................................................................... ce ladona Griswold & Miller

6 Supraclypeal area with conical protuberance and dense tuft of erect, apically bent hair; clypeus densely punctate..... ........................................................................................................................................................... rhondae Griswold View in CoL

- Supraclypeal area flat, without tuft of hair; clypeus very impunctate medially .......................................................... 7

7 Face cream or golden brown above antennal sockets, with little contrast to clypeus and paraocular area; facial fovea distinct, tear-drop shaped, or ellipsoid ......................................................................................................................... 8

- Face dark brown or black above antennal sockets, in distinct contrast to yellow clypeus and paraocular area; facial fovea indistinct, slightly oval .......................................................................................... celadona Griswold & Miller View in CoL

8 Ocelli not greatly enlarged, 1/5 width of interocular distance at level of median ocellus; frons cream to pale yellow above antennal sockets ................................................................................................................................................ 9

- Ocelli large, 1/3 width of interocular distance at level of median ocellus; frons golden brown above antennal sockets .................................................................................................................................................. bequaertiana Cockerell View in CoL

9 Ocelli not bordered by dark lines except sometimes a single fine line medially between two lateral ocelli; prestigma pale in contrast to dark vein R; stigma without dark posterior margin; facial fovea tear-drop shaped ......................... ......................................................................................................................................................... pallida Timberlake View in CoL

- Dark markings present at least anterior to lateral ocelli, often more extensive in ocellar region; prestigma dark, similar to vein R; stigma with dark posterior margin; facial fovea elongate ellipsoid ....... vespertina Griswold & Miller View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Andrenidae

Genus

Perdita

Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF