The Sphegoidea of Nebraska 53 
1893. Notogonia argentata Fox, Proceedings of the Academy of Nat- 
ural Sciences of Philadelphia, p. 485. 
Inhabits only the eastern portion of the state, specimens of 
both sexes having been taken at Lincoln, Weeping Water, Ash- 
land, and West Point, from June to October. 
Genus Ancistromma Fox 
SYNOPSIS OF THE SPECIES 
Space between eyes at top less than or equal to antennal joints two and 
Maem TEURC CUM Md ey te Se telat 5 curd Sk Cae bistnNG Eo Miiiedmne stat att il 
Space between eyes at top decidedly greater than antennal joints two 
pNP SRC ER IMMPOLIO eS creo tcatia gts a idle @eeie.6 uicls a'a/0) ba ocean e's Gel hero Sa wae Saar 3 
1. Metanotum striated, these striations running longitudinally at 
base, until they reach a little beyond the middle, where 
they curve and extend to the sides...............:. distinctum 
1. Metanotum not sculptured as above; if striated, the striae do not 
CUEV Cm OME WAL Gy rope cine teiscrunict iste oto states chet tce eh ae isutichalelen arate 2 
2. Metanotum rugose or granulate, not striated; wings rather 
Glotidiy aniStzen Osta. Tatil te jesetes cic o)eseievolare cle erave se are's a eset auranlium 
2. Metanotum small, taking the shape of a shield, this face 
being longitudinally striated; length 6-7 mm........ sericifrons 
RMN IEA BN ANTIE op ape 21-4 6 aieia'c overs dine pina ewisind isles sto Vado citings bare 4 
Se a eae a Cl ciate ott d IVES) (oh! Seals alo is sinlaty ssbb, 0 poaluakag 0:9 wii a) oe aca EO nigh Bose 5 
4 Basal seetients or abdomen Teds oc... sacle ecb eae confertum 
Am AGOMen: Tentit Gly? DlACK 292.1 iota atere oxc.4.a\ere a eis viplete «(elepticei siti bruneri 
5. Abdomen entirely black; metanotum finely, transversely striated; 
SCENE SMUT A io aie'a'e ace sichnayig “ie athe ovnlenmweneae nets vegetum 
5. Abdomen more or less red; metanotum coarsely granulate; scu- 
tellum and: “dorsiuluia  OPAdiie.: se) scisia/vjeide aero overelene via a divisum 
Ancistromma distinctum (F. Smith). 
1856. Larrada distincta F. Smith, Catalogue of Hymenoptera in the 
British Museum, iv, p. 292. 
1893. Ancistromma distincta Fox, Proceedings of the Academy of 
Natural Sciences of Philadelphia, p. 488. 
The commonest Larrid found within the state. A large series 
of specimens from Lincoln, West Point, and Glen, the range 
therefore extending across the entire state. Flies during August 
and September. The variety having the black abdomen is also 
found, but very rarely. 
375 
