ICHNEUMON-FLIES — GELINAE : MESOSTENINI 315 



finer and denser in female than in male, in male without a strong direc- 

 tional tendency, in female mostly transverse. 



Black, wdth black wings. Head, mandible, scape, and pedicel fulvo- 

 ferruginous, in male the occiput, vertex, and central part of frons 

 fuscous, in female the occiput and ocellar area weakly infuscate; palpi 

 fuscous or brown; flagellum of male yellow, its apex a little darkened; 

 flagellimi of female fulvous yellow, its apical third blacldsh; thorax with 

 ferruginous blotches and tinges of variable extent, especially an- 

 teriorly; front and middle coxae and trochanters light to dark brown; 

 front and middle femora fulvous, more or less brownish basally; front 

 and middle tibiae and tarsi fulvous, the tarsi brown apically; hind 

 tarsus yellow, the last two segments and extreme base of first tliree 

 segments fulvous to fuscous. 



This is the only Nearctic Joppidium with the hind tibia blackish. 



Specimens (34 cf, 369): From Alabama (Decatur and Pyriton in 

 Clay Co.); District of Columbia; Georgia (Atlanta, Austell, De Witt, 

 Stone Mountain, and Tilton); Kentucky (Crailhope); Louisiana 

 (Opelousas) ; Maryland (Cabin John, College Park, Glen Echo, Laurel, 

 Ruxton, Takoma Park, and near Waldorf) ; Mississippi (Greenville) ; 

 Missom'i (Overland and Van Buren in Ozark Mts.); New Jersey 

 (lona); North Carolina (Aberdeen, Elizabethtown, Raleigh, and 

 Southern Pines); Ohio (Athens and Franldin Co.); Oklahoma (Antlers 

 and Idabel); South Carolina (Florence, Greenville, and Horry Co.); 

 Texas (Austin, Brownsville, Brownwood, College Station, Dallas, and 

 Paris) ; and Virginia (Alexandria, Falls Church, Glencarl}^, Limeton, 

 and Newington). 



Dates of collection are from mid-spring to mid-fall. The earliest 

 and latest dates are: March 20 at Brownsville, Tex. ; March 24 at Col- 

 lege Station, Tex.; March 29 at Paris, Tex.; April 21 at Southern 

 Pines, N.C.; April 23 at De Witt, Ga.; May 7 at Athens, Ohio; October 

 8 at Limeton, Va. ; October 21 at Dallas, Tex.; October 28 in District 

 of Columbia; and November 10 at Greenville, Miss., and at College 

 Station, Tex. 



This species occurs in the Carolinian and Austroriparian faunas. 



7. Joppidium apicale Cresson 



Joppidium apicale Cresson, 1872, Trans. Amer. Ent. Soc, vol. 4, p. 160; 9. 



Type: ?, Comal Co., Tex. (Philadelpliia). 

 J oppidium ruficeps Walsh, 1873, Trans. Acad. Sci. St. Louis, vol. 3, p. 70; cf , 9 . 



Types: cf, 9 , Illinois? (destroyed in Chicago fire of 1871). 



Front wing 7.5 to 12.0 mm. long; mesopleurum, metapleurum, and 

 propodeum beyond basal carina with coarse, strong, regular punctures 

 that are separated by about 0.3 their diameter, in some places more 

 crowded and on propodeum of female a little sparser; wrinkling absent 



