ICHNEUMON-FLIES — GELINAE : MESOSTENINI 425 



Type: 9, McClellanville, S.C., May 16, 1944, H. and M. Townes 

 (Washington, USNM 63824). 



Paratypes (16 cf, 189): From Alabama (Pyriton in Clay Co.); 

 Florida (Alachua Co., Lake Co., Larkins in Dade Co., and Tarpon 

 Springs); Georgia (St. Simons Island); Maryland (Takoma Park); 

 New Jersey (Lucaston and MoorestOAvn) ; North Carolina (Clinton, 

 KjU Devil Hills, and Raleigh) ; Pennsylvania (Heckton Mills) ; South 

 Carolina (Colmiibia and McClellanville); Texas (Cameron Co., 

 Dallas Co., and Piano); Virginia (Falls Church); and West Virginia 

 (Cheat Mt. in Randolph Co. at 2,000 ft.). 



Collection dates are from late spring to mid-fall. The earliest and 

 latest dates are: "March" at Larldns, Fla.; April 20, without locality; 

 May 10, 12, 13, 16, and 18 at McClellanville, S.C; May 21 at Heckton 

 Mills, Pa.; September 18 at Falls Church, Va.; October 13 at Takoma 

 Park, Md.; November 1 in Lake Co., Fla.; and December 12 at 

 Tarpon Springs, Fla. 



This species occurs in Carolinian, Austroriparian, and Tropical 

 localities. 



11. Listrognathus (Listrognathus) acheloma, new species 



Figures 329,n; 336,e 



Male: Unknown. 



Female: Front wing about 6.0 mm. long; thorax a little more slender 

 than usual for the genus; frontal horn small; propodeal crests low, 

 the apical propodeal carina weak between the crests; postpetiole 

 moderately wide, its punctures moderately close, sparser and weaker 

 medially; punctures on second tergite separated by about 0.25 their 

 diameter; ovipositor tip (fig. 329,n) as in L. albomaculata except that 

 paired notches at nodus are lacking. 



Ferruginous. Flagellum with a white band that covers 4.3 segments 

 but is incomplete below, black distad of the band, fuscoferruginous 

 basad of the band, fading to ferruginous basally; tegula ferruginous; 

 fifth segments of front and middle tarsi light brown ; hind tibia brownish 

 ferruginous, with an indistinct stramineous subbasal band, fuscous 

 basad of the band; hind tarsus brownish ferruginous, segments 2-4 

 a little paler, the base of segments 2 and 3 whitish, the fifth segment 

 brown; most of exposed part of tergite 7 and sometimes narrow apical 

 margin of tergite 6 white. See figure 336, e. 



Type: 9, taken while sweeping weeds, Hendry Co., Fla., Dec. 7, 

 1955, R. A. Morse (Washington, USNM 63825). 



Paratype: 9, Patuxent Research Refuge, Bowie, Md. (Patuxent 

 Refuge collection). 



589900—62- 



