Sphecoidea of Nebraska gt 
Notogonidea Rohwer 
Notogonidea argentata (Beauvais). 
1805. Larra argentata Beauvais, Ins. Afr. et Amer., p. 119, taf. III, 
f. 9. 
1893. Notogonia argentata Fox, Proc. Acad. Nat. Sc. Phil., p. 485. 
1913. Notogonia argentata Williams, Kans. Univ. Sc. Bull., VIII, p. 
I4I. 
Males 8, females 8: Omaha (4), Weeping Water (1), Ash- 
land (1), Lincoln (8), Fairmont (1) and West Point (1); June 
25 to October; visits flowers of Chamaecrista fasciculata. 
Larropsis Patton 
KEY TO THE SPECIES 
Females 
1. Interocular space at' the vertex less than or about equal to the length 
of antennal joints two and three united ................000e cles 2 
Interocular space at the vertex distinctly wider than the length of an- 
FEM (ONES WOMAN EUTee TNITEG. 14 ote ayeysie cc 'etsie cies sicicis) ave, e's ererer = 5 
2. Disc of propodeum with delicate striae which diverge from beyond 
CMReMNASE MMI eS) Meaty Gledk chile a. casielc-ci co.ci sieeis Oc acdrolele distincta 
Disc of propodeum strongly granulate or rugose, with indistinct di- 
ERMC Ma SULLG we ear cee rtecie ts oiler stiet onsisia, sferoye aie ain olde ee eore| naar eae ones 3 
a J Mavalorarre th Sof Yel ah aie ate et ae ee eS re ene ee tie tie ABE picina 
PRA OME OFA e “OL: DECOIG. cnc. ' as'aele e's oeen twin Saieodee Pode we umd 4 
4. Large species, TI-I5 mm.; tarsi testaceous ...........2..0.:. aurantia 
Sinai) Species, 7—O Mit.* LAGS) PICCOUS 5)... vee ae ds vas nv eeled neve rubens 
5. Antennae shorter and stouter, shorter than the head and thorax; fourth 
antennal joint about two times as long as its middle diameter, 
vegeta 
Antennae long and setaceous, longer than head and thorax (except in 
divisa, where they are about equal to the head and thorax) ; fourth 
antennal joint three to four times as long as its middle diameter.. 6 
6. Pygidium well polished, sparsely large punctate, almost naked; form 
slender ; abdomen black and red; wings light smoky ...... conferta 
Pygidium rough, rather densely punctate, pubescent; form stouter, 
Wilhite Can ea thltSCOLIG: WATE Stes arcrarsta’cua'a' stm, of aceta ecole tieieiors the euatiniasier na iate 7 
7. Antennae longer than the head and thorax; second abdominal segment 
REACHSh tarsi DIAGEO Teal yciSOra.ts os ereutars p.cleia reise ole ares rugosa 
Antennae about as long as head and thorax; abdomen varying from 
tedrand black .to-red\;tarse testaccOuSs verss:c «ces ces sn oisilele cs divisa 
409 
