108 bulletin: museum of comparative zoology. 



Allocyphonyx contains A.maura and harpalyce. 



Sericopompilus based on P. cinctipes, which is known only in male, includes 



also posticatus and plutoyiis, males; and fuscipennis, augustatus, fulvo- 



apicalis and georgiana, females. 

 Gymnochares, gen. nov. is based on P. hirkmanni known in both sexes, and 



male P. biedermani, both described in Sericopompilus. 

 Lophopompilus contains L. aethiops, ilione, cleora, and atrox, latter marked with 



red. 

 Notiochares, gen. nov. is based on P. philadelphicus, and its two varieties. 

 Psammochares contains P. difficilis, relativus, hesione, belKcosa, scelestus, astur, 



gracilicornis, wholly black species, and autumnalis, tropicus, atlantica, 



marginalis, castella (?), and arizonensis marked with red. 

 Anoplius includes A. illinoensis, tenehrosus, fulgidus (Fla.), virginiensis (type 



of Aphilodenus), ithaca, and luctuosus. 

 Pompiloides includes P. cylindricus, rectus, albomarginatus , parvulus, subcylin- 



dricus, insolens, stenotus, solonus, minora, clystera, angularis, estellina, 



moestus, all black species; and americanus, niarginatus, semirufus, reducta, 



species marked with red. 



PSEUDAGENIA SUBMETALLICA, Sp. nOV. 



Type.— M. C. Z. 10,022. Texas: Austin, 12 March, 1900. C. T. 

 Brues. One specimen. 



9 Black, with not very plain, bluish iridescence, legs and wings 

 black, body black-haired, that on head fairly abundant, that on 

 metanotum sparse, and much shorter than in P. architecta. Antennae 

 long, third joint much longer than the fourth; face longer than broad, 

 slightly narrowed above, vertex slightly convex;, pronotum plainly, 

 but not strongly angulate behind, metanotum without groove; abdo- 

 men hardly polished, hairy toward the tip and on the venter; tibia 

 with small but distinct spines, inner spur of hind tibia not one third 

 the length of the basi tarsus; marginal cell acute at tip, third sub- 

 marginal long, but little longer than the second, recurrent veins 

 meeting cells at middle, basal vein strongly convex basally. Length, 

 8.5 mm. 



Ageniella crassicornis, sp. nov. 



Type.— M. C. Z. 10,023. Mass.: Forest Hills, 11 June; Woods 

 Hole. C. T. Brues. Two specimens. 



cf Black, clothed with silvery pubescence; most of mandibles, 

 lower edge of clypeus, and underside of scape yellow, pale on hind 



