﻿NEARCTIC SPECIES OF GASTERUPTIIDAE — TOWNES 115 



the middle of the radial cell, and with a light brown area under the 

 stigma (wings entirely hyaline in the other Nearctic species of Aulacus) ; 

 abdomen light brown, the basal part of the firt tergite whitish and a 

 moderately broad band at the juncture of the second and third tergites 

 stramineous; ovipositor sheath with a broad whitish preapical band. 

 Type: U. S. N. M. No. 58827, 9, Brownsville, Tex., March 20, 

 1908, Jones and Pratt (Washington). 



2. AULACUS BREVICAUDUS (Cushman), new combination 



Pycnaulacns hrevicaudus Cushman, Proc. U. S. Nat. Mus., vol. 76, art. 25, p. 18, 

 1929. Type: $, Palo Alto, Calif. (Washington). 



Frons and top oj head smooth, with fine punctures. 



Forewing about 5.3 mm. long; frons and top of head smooth with 

 very fine punctm-es; inner side of hind coxa of female without a chan- 

 nel; ovipositor sheath about O.G as long as the forewing. 



Black. Scape ferruginous; pedicel more or less ferruginous; clypeus 

 dark brown; mandible largely light brown; palpi brown; legs beyond 

 coxae ferruginous; wings hyaline; abdomen ferruginous, the base of 

 the first tergite blackish and each tergite with a transverse apical 

 fuscous band, darker on the apical tergites and weak or absent on the 

 basal ones, in the female the apical 0.4 of abdomen more or less 

 infuscate. 



Specimens. — cf, Berkeley, Calif., May 20, 1935, coll. Bohart 

 (Townes). cf, 9, Cazadero, Sonoma County, Calif., May 1935, 

 coll. Bohart (Bohart and Townes). cT, Felton, Santa Cruz Moun- 

 tains, 300 to 500 feet, Calif., May 15 to 19, 1907, J. C. Bradley 

 (Ithaca). 9, Huntington Lake, Fresno County, 7,000 feet, Calif., 

 July 7, 1919, E. P. Van Duzee (San Francisco), cf, Lake County, 

 Calif. (Washington), cf. Piedmont, Alameda County, Calif., June 

 25, 1905 (Ithaca), cf, Potw^isha, Sequoia National Park, 2,000 to 

 5,000 feet, Calif., June 2, 1929, E. C. Van Dyke (San Francisco). 

 9 , reared from Salix twigs bearing Euura galls, Ashland, Oreg., 

 B. T. Harvey (Washington). 9, reared from Alnus rhombifolia, 

 Asldand, Oreg., April 24, 1915, B. T. Harvey (Washington). 



Known only from Oregon and California. 



3, AULACUS PALLIPES Cresson 



Figure 16, k 



Aulactis pallipes Cresson, Trans Amer. Ent. Soc, vol. 7, proc. xvii, 1879, 

 Type: cf, Massachusetts (Philadelphia). 



Pammegischia xiphydriae Ashmead, Can. Ent., vol. 33, p. 300, 1901. Type: ? , 

 Saranac Inn, N. Y., ex Xiphydria provancheri (Washington). (New syn- 

 onymy). 



Pammegischia weedi Ashmead, Can. Ent., vol. 33, p. 301, 1901. Type: cf", 

 Hanover, N. H. (Washington). (New synonymy.) 



Pammegischia ashmeadi Bradley, Trans Amer. Ent Soc, vol. 34, p. 122, 1908, 

 Type: 9, Montreal, Quebec (Ithaca). (New synonymy.) 



