﻿NEARCTIC SPECIES OF GASTERUPTIIDAE — TOWNES 95 



County, Kings River Canyon in Fresno County, Laurel, Los Angeles 

 County, Meadow Valley in Plumas County at 4,000 to 5,000 feet, 

 Mount Diablo, Riverton, San Francisco County, Santa Cruz Moun- 

 tains, and Switzer's Trail in the San Gabriel Mountains) ; and Oregon 

 (Antelope Mountain in Harney County at 6,500 feet, Corvallis, Mad- 

 ras, Oregon Trail Camp in the Whitman National Forest at 5,000 feet, 

 and Peoria). Most of the collection dates are in June, July, and 

 August. Those falling elsewhere are April 13 at Mount Diablo, 

 Calif.; May 7 in Meadow Valley in Plumas County, Calif., and 

 September 3 at Fresno, Calif. There are two reared lots among the 

 above material, a male from Chrysobothris femorata in apricot (?), at 

 Fresno, Calif., September 3, 1918, by R. D. Hartman; and two males 

 from Xylotrechus nauticus on Quercus californicus at Laurel, Cahf., 

 June 27, 1918, by F. B. Herbert. 



This species to date has been collected in California, Oregon, and a 

 female from Seton Lake, British Columbia. 



5. AULACOSTETHUS ATER (Westwood), new combination 



Figure 15, d 



Aulacus aier Westwood, Ann. Nat. Hist., vol. 7, p. 538, 1841; Trans. Ent. Soc. 



London, vol. 3, p. 265, 1843. Type: 9 , Nova Scotia (Oxford University). 

 Aulacus Abboitii Westwood, Ann. Nat. Hist., vol. 7, p. 538, 1841; Trans. Ent. 



Soc. London, vol. 3, p. 266, 1843. Type: ?, Georgia (London). 

 Aulacus niger Shuckard, Entomologist, vol. 1, p. 124, 1841. Type (destroyed): 



North America. 

 Pristaulacus (Pristaulacus) hopkinsii (as hopkinsi in key) Bradley, Trans. Amer. 



Ent. Soc, vol. 34, p. 127, 1908. Type: 9 , Kirbyville, Tex. (Ithaca). (New 



synonymy.) 

 Pristaulacus aterrimtis Kieffer, Ann. Soc. Ent. France, vol. 80, p. 230, 1911. 



New name for Aulacus ater Westwood. 

 Pristaulacus floridana Rohwer, Proc. U. S. Nat. Mus., vol. 45, p. 534, 1913. 



Type: 9 , Bartow, Fla. (Washington). (New synonymy.) 



Front margin ofpronotum with a triangular projecting tooth; upper side 

 of hind coxa transversely wrinkled, not coarsely punctate; occipital carina 

 about 0.3 as high as width oj first flagellar segment. 



Forewing about 11.0 mm. long; as seen from above, head about 

 0.75 as long as wide; frons with small, rather closely spaced punctures; 

 top of head with fine, moderately close punctures; temple full, strongly 

 convex; occipital carina about 0.3 as high as the diameter of the first 

 flagellar segment, somewhat reflexed; propleurum with moderately 

 sparse, fine weak punctures; pronotum rugosopunctate, anteriorly 

 with the punctures distinct, its anterior edge with a projecting trian- 

 gular tooth; hind coxa above with close transverse wrinkles; tarsal 

 claws each with four teeth; ovipositor sheath about 1.75 as long as 

 the forewing. 



Black. Tegula piceous; forewing marked with dark fuscous as in 

 figure 15, (^, the basal spot variable, the spot next to the stigma sometimes 



