. Bulletin - United States National Museum. Science. ICHNEUMON-FLIES—GELINAE : MESOSTENINI 479 4. Apical carina of propodeum complete or incomplete, if incomplete with not more than its median lacking; ovipositor sheath about as long as front wing; female flagellum with a white band. 4. niibilipennis (Cresson) Apical carina of propodeum incomplete, its median ± lacking; ovipositor sheath about as long as front wing; female flagellum usually without a white band 5. agrili (Viereck) 1. Xylophrunis sitkensis (Ashmead) Cryptoideus purpuripennis Ashmead, 1900, Proc. Nat. Mus.,


. Bulletin - United States National Museum. Science. ICHNEUMON-FLIES—GELINAE : MESOSTENINI 479 4. Apical carina of propodeum complete or incomplete, if incomplete with not more than its median lacking; ovipositor sheath about as long as front wing; female flagellum with a white band. 4. niibilipennis (Cresson) Apical carina of propodeum incomplete, its median ± lacking; ovipositor sheath about as long as front wing; female flagellum usually without a white band 5. agrili (Viereck) 1. Xylophrunis sitkensis (Ashmead) Cryptoideus purpuripennis Ashmead, 1900, Proc. Nat. Mus., vol. 23, p. 42; 9 . Misdetermination of Cryptus purpuripennis Cresson. Cryptoideus sitkensis Ashmead, 1902, Proc. Washington Acad. Sci., vol. 4, p. 193; 9. Type: 9 , Sitka, Alaska (Washington). Cryptoideus purpuripennis Cushman, 1919, Proc. Nat. Mus., vol. 55, p. 539; 9 . Misdetermination of Cryptus purpuripennis Cresson. Xylophrunis atroruber Townes, 1944, Mem. Amer. Ent. Soc, vol. 11, p. 290. New name for Cryptoideus purpuripennis of Ashmead and Cushman. New syn- onymy. Type: 9, Santa Cruz Mts., Calif. (Washington). Front wing to mm. long; head about as wide across temples as across eyes; temple with coarse, close punctures that are somewhat confluent in rows; fourth segment of female flagellum about as long as wide; apical carina of propodeum complete; second tergite moderately mat, with moderate-sized punctures that are separated by about their diameter; ovipositor sheath about as long as front wing; teeth on apex of ovipositor moderately close. Brownish fulvous. Head more or less black but at least the clypeus and orbits fulvous; antenna black, the front of first segment of male antenna fulvous, the front of first three segments of female antenna fulvous; palpi fuscous; thoracic sutures very narrowly to broadly black, or sometimes the thorax mostly black and with only small fulvous areas; wings weakly to strongly suffused with brown, som


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