1516 Hymenoptera in America North of Mexico 



Subfamily POLYBIINAE 



Revision: Bequaert, 1933. Ent. Amer. (n. s.) 13: 87-150, 3 pis. (Nearctic taxa). 



Genus MISCHOCYTTARUS Saussure 



The nests are similar to those of Polistes, but average somewhat smaller. They consist of a 

 single free comb of hexagonal paper cells and are attached by a short pedicel in North American 

 forms to a natural or man-made support usually some distance from the ground. Each colony is 

 generally started by a single fertile female or queen. 



Revision: Richards, 1945. Roy. Ent. Soc, London, Trans. 95: 295-462, 4 pis., 119 figs. (New 

 World spp.). 



Biology: Jeanne, 1972. Mus. Comp. Zool., Bui. 144: 63-150, 46 figs., 4 pis. (biology, social 

 behavior of M. drewseni Sauss.). 



Genus MISCHOCYTTARUS Subgenus MISCHOCYTTARUS Saussure 



Mischocy thorns (!) Saussure, 1853. Etudes sur la famille des Vespides, v. 1, Introduct. p. 



VIII. Nom. nud. 

 Mischocy ttarns Saussure, 1853. Etudes sur la famille des Vespides, v. 2, p. 19. 

 Type-species: Zethus labiatus Fabricius. Desig. by Ashmead, 1902. 



The species occur in Mexico, Central America, and South America. 



Genus MISCHOCYTTARUS Subgenus KAPPA Saussure 



Kappa Saussure, 1854. Etudes sur la famille des Vespides, v. 2, p. 200. 



Type-species: Polybia injucunda Saussure. Desig. by Bequaert, 1933. 

 cubensis cubcnsis (Saussure). Ga., Fla., Ala.; Bahamas, Cuba. 



Polybia cube7isis Saussure, 1854. Etudes sur la famille des Vespides, v. 2, p. 202. 6,9. 



Polybia phthisica Cresson, 1865. Ent. Soc. Phila., Proc. 4: 167. 6,9. 

 cubensis mexicanus (Saussure). Tex. (Brownsville); Mexico, Central America. 



Polybia mexicana Saussure, 1854. Etudes sur la famille des Vespides, v. 2, p. 203. 9. 

 flavitarsis centralis Bequaert. Utah, Colo., Nebr., N. Mex., western Tex. 



Mischocyttarus flavitarsis var. centralis Bequaert, 1933. Ent. Amer. (n. s.) 13: 129. 9,6. 

 flavitarsis flavitarsis (Saussure). Calif., Oreg., Utah, Colo., Nebr., Ariz. 



Polybia flavitarsis Saussure, 1854. Etudes sur la famille des Vespides, v. 2, p. 199. 9 . 



Biology: Smith, 1944. Pan-Pacific Ent. 20: 80 (hibernation site). — Snelling, 1953. Kans. Ent. 



Soc, Jour. 26: 143-145 (hibernation, nest size and site). 

 flavitarsis idahoensis Bequaert. B. C, Wash., Greg., Idaho, Mont., Nev., Utah, Colo. 



Mischocyttarus flavitarsis var. idahoensis Bequaert, 1933. Ent. Amer. (n. s.) 13: 133. 9,6. 

 flavitarsis kaibabensis Bequaert. Ariz. (Grand Canyon, Kayenta). 



Mischocyttams flavitarsis var. kaibabensis Bequaert, 1933. Ent. Amer. (n. s.) 13: 133. 9. 



flavitarsis navajo Bequaert. Ariz.; Mexico (Chihuahua). 



Mischocyttarus flavitarsis var. navajo Bequaert, 1933. Ent. Amer. (n. s.) 13: 131. 9, cJ. 



Genus BRACHYGASTRA Perty 



Brachygastra Perty, 1833. Delect. Anim. Articul. Brasil, p. 145. 



Type-species: Brachygastra analis Perty Desig. by Bequaert, 1933 {=Polistes 

 lecheguana Latreille). 

 Nectarina Swainson and Shuckard, 1840. On the history and natural arrangement of 



insects, p. 183. N. name for Brachygastra. 

 Melissaia Shuckard, 1841. hi White, Ann. and Mag. Nat. Hist. 7: 320. N. name for 



Nectariyia. 

 Caba Ihering, 1904. Rev. Mus. Pauhsta 6: 103. N. name for Nectarina. 



The genus is essentially Neotropical but one species extends its range into southern United 

 States. The perennial paper nests are attached to branches of low trees and are begun by small 



