398 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



Figures 218, 219. — Localities: 218 (left), Lymeon leiponeuron; 219 (right), L. nasutum. 



4. Ljrmeon nasutum (Pratt), new combination 



Figure 334,a 



Nasutocryphis nasutus Pratt, 1945, Amer. Midi. Nat., vol. 34, p. 561; 9 . Type: 

 ?, Alamogordo, N. Mex. (Philadelphia). 



Male: Unloiown. 



Female: Front wing about 4.8 mm. long; clypeus extending ven- 

 trally as a conical point; mesoscutum mat, with sparse, shallow 

 punctm-es; discoidella present; thyridium of second tergite obscured in 

 the specimen at hand. 



Fulvous. Orbit narrowly and scutellum pale fulvous; flagellum 

 blacldsh, with a white band that covers 4 segments (incomplete below) ; 

 fifth segment of hind tarsus brown (other tarsi broken) ; wings hyaline, 

 the front wing with a median and subapical lightly infuscate band; 

 apical 0.18 of first tergite yellow; ovipositor sheath fulvous, its apical 

 0.3 infuscate. 



The species is known only from the type and paratype. The figure 

 and the above description are from the paratype. 



Specimen: 9 (paratype), Alamogordo, N. Mex., May 5, 1902 (St. 

 Paul). 



21. Genus Pachysomoides 



FiGUEE 318,b 



Pachysoma Sz^pligeti, 1916, Ann. Mus. Nat. Hungarici, vol. 14, p. 290. Name 



preoccupied by Macleay, 1821, by Geoffroy, 1828, etc. Type: {Pachysoma 



albopictum Sz6pUgeti)-=stupidus (Cresson) ; monobasic. 

 Pachysomoides Strand, 1917, Int. Ent. Zeitschr , vol. 10, p. 137. New name. 

 Polistiphaga Cushman, 1925, Journ. Washington Acad. Sci., vol. 15, p. 391. New 



synonymy. Type: {Mesostenus arvalis Cresson) =fulvus (Cresson); original 



designation. 



Front wing 3.4 to 7.0 mm. long; body rather stout, somewhat 

 depressed; frons unarmed; clypeus small, strongly convex, its apical 



