Ts, 
Sphecoidea of Nebraska 67 
Philanthus Fabricius 
KEY TO THE SPECIES 
. Punctures of abdomen normal, or fine and shallow ............... 2 
RuNGixessor abdomen coarse and deep ..::.s..6scessnccnoesev ae 13 
MEMS CCIES TO TOM TIM rie. eae Aerator cro.e' ais Sclelei.dle via dole ale Gate Orete 3 
SMES EGIESY 7 SLO) WITS: ate Ge ecie nim RON Oa ce a eules ss Gall ek cae gee 4 
. Dorsal segments of abdomen with broad yellow bands, emarginate an- 
teriorly; legs entirely reddish-yellow .................-.. gloriosus 
Dorsal segments of abdomen with narrow yellow bands, that on the 
first segment somewhat wider; legs black and yellow ..... solivagus 
. Body covered with rather long, conspicuous silvery pubescence.... 5 
Body very sparsely covered with short pubescence ...............- 6 
. Puncturation of abdomen very fine; body thickly covered with long 
SE eIA VRP UIESECIIGES cpccsiccs sevacidn ca otets ee ie weed oka eels albopilosus 
Puncturation of abdomen not fine; the punctures of moderate size and 
quite sparse; body sparsely covered with long silvery pubescence, 
barbiger 
. Mesonotum and abdomen impunctate, highly polished; second dorsal 
abdominal segment with two broad lunate marks ......... bilunatus 
Mesonoin and«<apdomens: punctured)\ce. 4 ose cca woesiees  eiea sees 7 
HEAL ae ned cand: cvello wey: lsaieted bol brak or stops eve dick sie-eis Selva tel neta ees SIOUX NSIS 
bemioLa black.and yellow, or entinelymblack ..<..0.s0..0..se0ccese 8 
Melypeus with a-hlack spot on. each sidé®, ..2.. 0.0... cee e nase stmillimus 
Pree CHUITEN .VOMOW nor. «sur Seton c emis ole os Og cle ate aia dle tales 9 
. Yellow line on pronotum widely interrupted in the middle..... politus 
Mebow Une Oi PLOBGtim VCOBEMUOUS | 35.0 6 yo stas bovine dole aay aes 10 
masa some Or limnid-tarsy .distitictly-yellaw «2... 0. 6ccssece ewes dc ace II 
Basal joint of hind tarsi distinctly rufous or blackish ............ 12 
. Abdomen with fine, moderately close punctures; face usually entirely 
ESL OL MME Carat cer tI cftcrand ola teara ck nttrt ease ai lane cise Garber cha reo pacificus 
Abdomen with large, sparse punctures; face with a large yellow spot 
ANDOVe tie IMSertion of the amtennae. s...gcaj.0.asoelecsee crs pulcher 
Lind tats! mostly rurous: wings clear, whitish ..s.5..s00.s2.<s psyche 
Hind tarsi mostly black; wings tinged with fuscous .......... tarsatus 
mePropodcume=with yellow markings 2224 2.12 <...6 05.202 See cnee 14 
Propsoaetinn withotut-yellow. markines 22205. cisi,cs.asc ce os sacteomte 16 
. Yellow spot between and above antennae reaching but little more than 
half way from the clypeus to lower ocellus................ flavifrons 
Yellow spot between and above antennae reaching the entire distance 
between the base of the clypeus and the lower ocellus .......... 15 
Face above the clypeus entirely yellow; venter of abdomen for the 
most part yellow; mesonotum usually with four longitudinal stripes 
(sometimes almost ‘obsolete in male)... 3.5... 650. 00.0600. inversus 
385 
