Key to the New World Genera of Pepsinae (modified from Banks 1946, Townes 1957, Evans 1973, Roig Alsina 1989, and Wahis & Rojas 2003) b bb cc c 1. a. Subgenital plate S6 laterally compressed. b. 2 r-m and 3 r-m continuously curved outward, similar in appearance. c. Claws bifid……...……………………….……………………………... Minagenia Banks aa. Subgenital plate S6 not laterally compressed. bb. 2 r-m and 3 r-m not similar in appearance, usually one or both not continuously curved. cc. Claws normally dentate (bifid in Anacyphonyx)……………………..…………………. 2 a a aa aa a aa 2. a. Tergite 1, in dorsal view, with the sides evenly convergent anteriorly or slightly convex, in lateral view with a suture delimited a laterotergite. b. Male genitalia with parapenial lobe not decurved at apex………..……………………… 3 aa. Tergite 1, in dorsal view, with the sides somewhat concave, giving it a somewhat petiolates appearance, in lateral view without a suture delimited a laterotergite. bb. Male genitalia with parapenial lobe slender, decurved at apex…...….. USA (Couplet 28) ……………………….…………………….…Central American & Neotropical (Couplet 31) aa a a a aa b bb cc c cc cc c c 3. a. Mandible with three teeth (including the apical point as a tooth). b. Dorsal edge of hind tibia smooth in both sexes, although some spine-like setae may be present. c. Female with cardo of each maxilla giving rise to a fascicle (beard) of long curved hairs… …………………………………………………………….…………………… Dipogon Fox aa. Mandible with two teeth (a large apical point and a smaller subapical internal point). bb. Dorsal edge of hind tibia of female (and often of male), with a serrate row of integumental teeth. cc. Cardo of maxilla without a fascicle (beard) of long hairs in either sex……......……….. 4 a c cc aa bb b 4. a. Second recurrent vein (1m-cu), meeting the second submarginal cell, at about its apical 0.9. b. Pulvillar comb about 0.75 as wide as the subapical width of the last tarsal segment, its apical fringe of bristles containing about 14 to 40 bristles. c. First discoidal cell occupied basally by a distinct subcircular irregularity in the membrane d. Large or very large species................................................................ Hemipepsis Dahlbom aa. Second recurrent vein (1m-cu), meeting the second submarginal cell, at or basad of its apical 0.25. bb. Pulvillar comb about 0.5 as wide as the subapical width of the last tarsal segment, its apical fringe of bristles, containing about 8 to 10 bristles. cc. First discoidal cell not occupied basally by an irregularity in the membrane, or if so the irregularity less distinct than in Hemipepsis………………………………………………...…… 5 aa bb b a 5. a. Marginal cell separated apically from the costal margin of the wing, so that the lip of the cell is rounded. b. Second submarginal cell receiving the second recurrent vein (1m-cu) before its basal 0.33. c. Large or very large species……….……………………………………… Pepsis Fabricius aa. Marginal cell apically adjacent to the costal margin of the wing, so that the tip of the cell is pointed or sub-truncate. bb. Second submarginal cell receiving the second recurrent vein (1m-cu) beyond its basal 0.4…..………………...…………………….…………… USA and Central American (Couplet 6) ……………………………………………...…………...………… Neotropical (Couplet 11) aa a b bb b bb c cc 6. a. Second intercubital vein (2r-m) quite straight. b. Legs and antenna short and stout, the second segment of flagellum in the Nearctic species 1.5 to 4.5 times as long as wide. c. Clypeus wide, short, and rather flat. d. Brush on inner side of hind tibia broadly continuous to the apex......................................... ……………………………………………………………………... Calopompilus Ashmead aa. Second intercubital vein (2r-m) usually more or less curved (straight in Entypus and in some Cryptocheilus). bb. Legs and antenna longer and more slender, the second segment of flagellum rarely less than 3.2 times as long as wide. cc. Clypeus longer and more convex. dd. Brush on inner side of hind tibia often with a subapical constriction or interruption…... ………………………………………………………………………………………………. 7 aa a aa aa aa a a a b 7. a. Medial vein (M) not quite reaching the wing margin and in hind wing the cu-a ending at or distad of the juncture of M with Cu. b. Clypeus very large…………………………………………………….. Priocnessus Banks aa. Medial vein (M) usually reaching the wing margin, or if not (e. g., some species of Priocnemis), then in hind wing the cu-a ending distinctly basad of the juncture of M with CU...... …………………………………………………………………………...………………….. 8 a a aa aa a aa a bb b 8. a. Under side of last tarsal segment with two longitudinal rows of bristles. b. Second inter-cubital vein (2r-m) straight or evenly curved.................................................9 aa. Under side of last tarsal segment without any preapical bristles or with a very few that are not arranged in two regular longitudinal rows. bb. Second intercubital vein (2r-m) rather straight anteriorly, but strongly curved posteriorly ……………………………………………………………...……………………………… 10 aa a a aa a b bb 9. a. Carina on mesosternum in front of each middle coxa angled medially and at the angle usually produced as a tooth. b. In hind wing cu-a ending beyond, at, or just before the juncture of M with Cu…………... ……………………………………………………………………….…… Entypus Dahlbom aa. Carina on mesosternum in front of each middle coxa evenly curved. bb. In hind wing cu-a ending distinctly before the juncture of M with Cu………………….... ……………………………………………………………………….... Cryptocheilus Panzer aa a bb b bb b b cc c dd d 10. a. Anal lobe elliptical, the apical half of its hind margin evenly curved. b. Fore tibia of female without a single, unusually stout bristle on its outer apical corner. c. Nervulus (1cu-a) beyond the basal vein by about 0.7 to 1.3 its length. d. Pronotum of normal length…………………………………………. Priocnemis Schiødte aa. Anal lobe subtriangular, the apical half of its hind margin rather straight. bb. Fore tibia of female with a single, very stout, blunt, unusual bristle at its outer apical corner. cc. Nervulus (1cu-a) at the basal vein or beyond it by less than 0.3 its length. dd. Pronotum quite short………………………………………………….. Caliadurgus Pate 11. a. Internal brush of the posterior tibia wide and continuous to the apex of the tibia............ 12 aa. Internal brush of the posterior tibia thin and interrupted prior to the apex of the tibia... 25 12. a. Females...……………………………………………………………………………….. 13 aa. Males..…………………………………………………………………………………. 19 Females aa aa aa a a a aa aa aa bb bb b bb b bb bb bb b d dd 13. a. Hind tibia without integumental teeth, the dorsal edge with short spines or smooth. b. Sixth tergum with fine and sparse pubescence, as with the other terga, with several strong and long scattered setae, apical flange smooth. c. Subgenital plate (S6) compressed and keeled. d. Malar space well developed ……………………………………… Chirodamus Haliday aa. Hind tibia with one or two dorsal rows of integumental teeth. bb. Sixth tergum strongly setose. cc. Subgenital plate (S6) various. dd. Malar space various.…………………………………………………………………. 14 aa a aa aa 14. a. Last tarsal segment without ventral spines…………………………………………….. 15 aa. Last tarsal segment usually with ventral spines………..…...…………….................... 16 bb aa cc 15. a. Head transverse, wider than its length and with raised vertex. b. Eyes with anterior margin emarginated, appearing kidney-shaped. c. Eyes convergent ventrally………………………………………. Plagicurgus Roig Alsina aa. Head rounded. bb. Eyes with anterior margin slightly emarginated, not appearing kidney-shaped. cc. Eyes not convergent below................................................................... Herbstellus Wahis aa 16. a. Genicular lobes of hind femora with simple edges. b. Sixth tergum with apical flange narrow and smooth.................................. Adirostes Banks aa. Hind femora with truncate genicular lobes. bb. Sixth tergum with apical flange wide and transversely striated..................................... 17 c a a a a a 17. a. Last tarsal segments with ventral spines irregularly arranged. b. Galea short, glossa rounded. c. Densely setose species, at least with long stae on the femora, pleura and propodeal sides... ...…………………………………………………….………….... Pompilocalus Roig Alsina aa. Last tarsal segments with ventral spines in two lateral rows. bb. Galea long, glossa bifid. cc. Species not densely setose……………………………………………………..………. 18 a b b cc c cc 18. a. Front narrow, the eyes more or less convergent on the vertex. b. Flagellar segments more than twice as long as wide. c. Without a mesepisternal tubercle. d. Claws always toothed…………………….……………………... Aimatocare Roig Alsina aa. Front wide, polished and shiny in several species. bb. Flagellar segments short and thick, segments 5-12 never more than twice as long as wide. cc. Mesepisternum with a lower tubercle. dd. Claws bifid, but sometimes toothed.................................................. Anacyphonyx Banks Males (Males of Adirostes are unknown) aa 19. a. Head transverse, 1.3-1.4 times wider than long, vertex raised, well above level of top of eyes. b. Eyes kidney-shaped. c. Claws of middle legs bifid. d. Transverse groove of second sternite present. e. Parameres of the genitalia with a row of pegs.............................. Plagicurgus Roig Alsina aa. Head generally rounded; sometimes slightly wider than long or longer than wide........ 20 Toothed Bifid a a aa aa 20. a. Claws of middle legs toothed or bifid………………….……………………..………… 21 aa. Claws of middle legs lacking an internal tooth……………..………... Herbstellus Wahis aa & bb a b bb 21. a. Claws of middle legs always toothed. b. Hind claws toothed or sometimes modified…………………………………………….. 22 aa. Claws of middle legs always bifid. bb. Hind claws bifid, sometimes modified........................................................................... 23 aa a aa b bb d dd 22. a. Transverse groove of second sternite absent. b. Malar space well developed, 0.25-1.2 times as long as basal width of mandible. c. Mesosternal carina between middle coxae with two central laminar projections. d. Widest part of metasoma at the apex of first segment…………………... Chirodamus Haliday aa.