392 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



Figures 214, 215. — Localities: 214 (left), Diapetimorpha acadia; 215 (right), D. rugosa. 



resemblance to Formica pallide-falva, which occurs with it. The 

 peak of abundance is from about August 15 to September 15. 

 This species occurs in the Carohnian and Austroriparian faunas. 



8. Diapetimorpha rugosa, new species 



Male: Front wing 4.6 to 5.6 mm. long. Structurally similar to 

 male of D. acadia except as noted in the key. 



Colored as in male of D. acadia except that black markings are 

 usually more extensive, as stated in key. 



Female: Front wing 5.1 to 6.4 mm. long; clypeus wealdy convex; 

 cheek about 1.05 as long as basal width of mandible; epomia a little 

 stronger and longer than in D. acadia; metapleurum more or less 

 coarsely wrinlded and closely punctate, the wrinldes somewhat 

 oblique; apical carina of propodeum forming sublateral crests that are 

 a little sharper than in D. acadia, the carina complete between the 

 crests but indistinct laterad of them; intercubitus about 6.0 as long 

 as width of radial vein. 



Colored like the female of D. acadia but a trifle darker, and usually 

 with fuscous markings on the thoracic sterna. 



Type: 9 , among Trijolium pratense, Morgan Co., Mo., June 16, 

 1957 (Washington, USNM 63819). 



Paratypes (17 cf, 219): From Arkansas (Baldwin); District of 

 Columbia (Washington); Iowa (Iowa Co.); Kansas ("Blackjack 

 Creek" in Pottawatomie Co., Clay Co., Johnson Co., Lawrence, Lyon 

 Co., Riley Co., and Wellington); Louisiana; Missouri (Morgan Co. 

 and New Hartford) ; New Jersey (Westfield) ; North Carohna (Raleigh 

 and Valle Crucis) ; Ohio (Wayne Co.); South Carolina (Greenville); 

 Texas (Piano and San Antonio) ; Virginia (Charlottesville and Falls 

 Church); West Virginia (Bolivar); and Wisconsin (Boscobel). 



