218 EDAVARD NORTON. 



7. S. pallipes. 



AUantus jMlIipcs, Say, "West. Quart. Eep. ii. 1823, 1, 72. 



Norton, Best. Jour. vii. 243, 16. 

 Stro7igj/Iogastcr pallipes, Norton, Bost. Proc. ix. 120. 

 "Black; thorax rufous before; feet white." Length seven twentieths of an 

 inch. 



Body black ; labrum and palpi white ; tborax with a rufous triangle 

 before, a rufous spot on each side of the disk, another beneath the ori- 

 g;in of the wing, and tip of the scutel, rufous; a whitish spot before 

 the wings; wings a little dusky; carpus whitish; feet white; poste- 

 rior thighs blackish in the middle; tergum with the lateral basal mar- 

 gin of the segments rufous ; venter rufo-testaceous on each side, dusty 

 in the middle. 

 Missouri. 



The tegulae and prothorax, and a stripe across the middle of pleura 

 are rufous, the coxae and trochanters white ; hinder femora black at 

 tips only; iinder wings with two middle cells. 



Connecticut, (August) ; West Virginia. Not common, 



8. S. pinguis. 



Allantvs pinr/uis, Norton, Bost. Jour. vii. 1862, 244, 17,9- 

 Strongylogaster pinguis, Norton, Bost. Proc. ix, 120. 



Blaclc, antennse mostly waxen-yellow, scutel white, abdomen testaceous. 

 Length 0.30. Br. wings 0.60 inch. 



9 • — Body short and stout as in Macrophija cestus and gonipliorus ; 

 head and thorax black ; antennae flattened, rather serrate, waxen-yel- 

 low ; second joint one-third the length of first, its basal half black ; 

 head wider than in S. terminalis, nasus slightly emarginate, neck pro- 

 duced, pleura with very large deep pits; mouth, tegulae, scutel and 

 postscutel whitish, (sometimes rufous,) abdomen and legs rufous or tes- 

 taceous; basal plates black ; coxae black, tips and trochanters pale, the 

 four anterior legs pale, apex of hinder femora and of tibia) black; in- 

 ner anterior spur very long and bluntly bifid, claws large, thick at base, 

 with a circular hollow below inner tooth; wing ample, wide, faintly 

 clouded; under wings with two inner cells, outer margin of outer cells 

 with fractured outer nervures. 



S . — The abdomen of male is very short and stout, rounded at apex ; 

 anterior lobe of thorax and two edges of collar rufous, antennae stouter, 

 appearing almost filiform, like Urocerus ; the outer cells of under wings 

 all complete, having an outer nervure following the whole apical mar- 

 gin of the wing; no inner cell; the first brachial joining the marginal 

 cell, as in S. mellosus. 



Var. a. 9- — Antennae black; labrum, scutel and the four anterior 



