Sphex argentatus, Fabricius, 1787

Dörfel, Thorleif H. & Ohl, Michael, 2022, The wasp genus Sphex in Sub-Saharan Africa (Hymenoptera: Sphecidae), European Journal of Taxonomy 796 (1), pp. 1-170 : 15

publication ID

https://doi.org/10.5852/ejt.2022.796.1665

publication LSID

lsid:zoobank.org:pub:76C5C9C4-C6C1-4EDC-8FF8-9828A6EF2040

DOI

https://doi.org/10.5281/zenodo.6359736

persistent identifier

https://treatment.plazi.org/id/03C20928-FF9F-FFAD-40C5-1011393A0AB9

treatment provided by

Felipe

scientific name

Sphex argentatus
status

 

Key A: Species of the Sphex argentatus group

1. Erect propodeal setae brown or black............................................................................................2

– Erect propodeal setae silvery or golden..........................................................................................5

2. Cellular wing area with yellow or ferruginous tinge; wing base not notably infuscate ( Figs 58– 59 View Figs 57–62. 57, 60–61 ). Madagascar and surrounding islands only..............................................................................3

– Cellular wing area without yellow tinge; wing base markedly fuscous ( Figs 49, 52 View Figs 49–56. 49 ). Widespread..........................................................................................................................................................4

3. Female: apical margin of fore- and hindwing completely fuscous ( Fig. 58 View Figs 57–62. 57, 60–61 ). Male: erect clypeal and paraocular setae uniformly black ......................................................... S. torridus F. Smith, 1873

– Female: apical margin of forewing only anteriorly with fuscous spot, apex of hindwing hyaline. Male: erect clypeal setae silvery intermixed with black ones; erect paraocular setae uniformly silvery-golden ............................................................................................. S. voeltzkowii Kohl, 1909

4. Erect clypeal setae entirely or largely silvery ( Fig. 53 View Figs 49–56. 49 ) ....................... S. fumicatus Christ, 1791

– Erect clypeal setae black ( Fig. 54 View Figs 49–56. 49 ) ................................................ S. taschenbergi Magretti, 1884

5. Appressed and erect setae on face and propodeum rich golden, sometimes silvery. Hindfemur and most of hindtibia brightly ferruginous ( Fig. 57 View Figs 57–62. 57, 60–61 ) ............................... S. tomentosus Fabricius, 1787

– Erect setae on face silvery or silvery-golden, sometimes intermixed with black ones; erect setae on propodeum silvery ( Figs 41–44 View Figs 41–48. 41–42, 45 , 50–51 View Figs 49–56. 49 ). Hindleg darker............................................................6

6. Erect clypeal setae at least partially black. Seychelles.............................. S. rufinervis Pérez, 1895

– Erect clypeal setae uniformly silvery...............................................................................................7

7. Female: wings with yellow tinge ( Fig. 41 View Figs 41–48. 41–42, 45 ); petiole length less than 1.7 × its medial width. Male: very broad placoids (nearly width of segment) covering flagellomeres III–VI .............................. .............................................................................................................. S. erythrinus ( Guiglia, 1939)

– Female: wings without yellow tinge ( Figs 43 View Figs 41–48. 41–42, 45 , 50 View Figs 49–56. 49 ); petiole length more than 1.7× its medial width. Male: placoid(s) more narrow (at most half as wide as segment), covering flagellomeres III–V or only V.................................................................................................................................................8

8. Female: lower part of clypeus brightly ferruginous; propodeal enclosure not obscured by vestiture, with 7–10 distinct transversal ridges ( Fig. 43 View Figs 41–48. 41–42, 45 ). Male: setae laterally on gonostyles hyaline ( Fig. 46 View Figs 41–48. 41–42, 45 ); mid- and hindlegs completely black; placoids covering entire length of flagellomeres III–V ......... .............................................................................................................................. S. feijeni nom. nov.

– Female: clypeus black; propodeal enclosure without any distinct ridges, posterior half obscured by appressed setae ( Fig. 50 View Figs 49–56. 49 ). Male: gonostyles laterally with stout black setae (compare Fig. 45 View Figs 41–48. 41–42, 45 ); mid- and hindlegs partially ferruginous; single placoid on proximal half of flagellomere V .......... .................................................................................................................... S. lanatus Mocsáry, 1883

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Vespidae

Genus

Sphex