ICHNEUMON-FLIES — GELINAE : MESOSTENINI 313 



tarsi yellowish fulvous; hind tibia ferrugmous, sometimes weakly 

 infuscate, especially toward apex; first two segments of hind tarsus 

 yellow, ferruginous at base and apex; base of second and third tergites 

 of male and often apical part of tergites 3-6 of male more or less 

 infuscate. 



This species is structurally very similar to Joppidium ardens 

 Cresson of Mexico, and though it is c^uite different m color, it may 

 prove to be only subspecifically distinct. So far, no specimens of 

 intermediate coloration are known. 



Type: 9, Chmcahua Mts., Ariz., Sept. 29, 1947, D. J. and J. N. 

 I^uU (Washington, USNM 63801). 



Paratypes: ?, Baboquivari Mts., Ariz., F. H. Snow (Lawrence). 

 2cf , 29, Chu-icahua Mts., Ariz., July 26, 1952, Sept. 5 and 19, 1947, 

 D. J. and J. N. Ivnull (Townes and Columbus). 9, Florida Canyon, 

 Santa Rita Mts. at 4,000 ft., Ariz., July 31, 1946, H. E. Evans (Ottawa), 

 cf, 5 miles west of Portal, Chiricahua Mts., Ariz., Aug. 28, 1958, P. A. 

 Opler (Berkeley), cf, 13 kilometers south of Canutillo, Durango, 

 Mexico, Aug. 9, 1951, H. E. Evans (Townes). cJ" , 10 kilometers 

 north of Nombre de Dios, Durango, Mexico, Aug. 5, 1951, H. E. 

 Evans (Townes). 29, 15 kilometers east of Sombrerete, Zacatecas, 

 Mexico, July 28 and 30, 1951, P. D. Hurd (Berkeley). 



5. Joppidiuni discolor, new species 



Male: Front wmg 15.5 to 16.0 mm. long; mesopleurum and meta- 

 pleurum with rather small, sharp punctures that are separated by 

 about 0.5 their diameter, with some fine, weak, irregular, longitudinal 

 wrinkling that occupies about 35% of their area; basal carina of pro- 

 podeum complete and sharp, beyond which the propodeum is com- 

 pletely covered with sharp transverse wrinkles with some inter- 

 spersed small, sharp, irregular punctures. 



Head and mouth parts fulvous brown, the occiput and median 

 part of frons brown ; scape, pedicel, and first 8 or 9 segments of fiagel- 

 lum fulvous; segments 10 to about 20 light yellov,', beyond which 

 the flagellum is darkened, the apical segments blackish; thorax dark 

 reddish brown with some indefinite areas fuscous; front coxa Ught 

 brown; front and middle femora and trochanters fulvous; all tibiae 

 and tarsi yellow ; middle coxa dark brown ; hind coxa blackish brown ; 

 hind first trochanter dark brown; hind second trochanter and femur 

 medium brown, the apex of femur yellowish; wing color variable, 

 in the type yellowish brown with apical part of both wings and hind 

 part of hind wing infuscate, in the para type blackish with brown 

 costa and stigma ; abdomen of type brownish yellow, the first sternite 

 and base of first three tergites dark brown, the first tergite mostly 

 medium brown with its apex paler; abdomen of para type similar to 



589900—62 21 



