﻿NEARCTIC SPECIES OF GASTERUPTIIDAE — TOWNES 111 



"caurina'^ in Pinus ponderosa, Placcrville, Calif., Juno 2, 1915, H. E. 

 Burke; 2 cf 9, from Melanophila fulvoguttata in Tsuga canadensis ^ 

 Watcrvillo, N. H., 1906, A. D. Hopkins; 9, from Melanophila drum- 

 mondi in Abies concolor, Pyramid Ranger Station, Calif., August 3, 

 1915, F. B. Herbert; and 3 9, from Saperda calcarata in Populus 

 tremuloides, North Cheyenne Canyon, Colo., George Holer. Addi- 

 tional records associate the species with Pinus arizonica and Tsuga 

 mertensiana. 



This species is transcontinental in the Canadian and Transition 

 Zones. The usual hosts are buprestids in conifers. 



20. AULACOSTETHUS EDITUS (Cresson), new combination 



Aulacus editus Cresson, Trans. Amer. Ent. Soc, vol. 8, proc. v, 1880. Type:? , 

 Nevada (Philadelphia). 



Tarsal claws each with two teeth; hind femur ferruginous; hind tibia 

 concolorous with its femur and tarsus. 



Forewing about 8.5 mm. long; frons with moderately small rather 

 close punctures; top of head with moderately close, fine punctures 

 which are separated by about 0.5 the length of their setae; ovipositor 

 sheath about 1.25 as long as the forewing. Otherwise structurally 

 similar to A. rufitarsis. 



Female: Black. Clypcus and scape brown to black; legs beyond 

 coxae brownish ferruginous, the hind ones darkest; first trochanters, 

 especially the hind ones, more or less infuscate; second trochanters 

 slightly darker than their femora; wings very wealdy tinged with 

 yellowish brown; abdomen red, the base of the first tergite black. 



Male: Colored like the female except that the clypeus and scape 

 average paler, the fore and middle coxae and trochanters are usually 

 brownish ferruginous, the hind coxa often brownish ferruginous 

 apically, and the apical tergites, beginning usually with the fifth, are 

 black. 



Specimens. — 9 cf, 69 9, from British Columbia (Courtenay, 

 Coldstream, Kamloops, Maple Bay on Vancouver Island, Midday 

 Valley at Merritt, Pender Harbor, Robson, Seton Lake, Steelliead, 

 Stone Lake, Trinity Valley at Lumby, Vancouver, and Victoria); 

 California (Alpine, Big Basin in the Santa Cruz Mountains, Boulder 

 Creek, Copper, Del Norte, Glacier Point, and Mineralking) ; Idaho 

 (Priest Lake) ; Oregon (Alsea, Alsea Mountain, Antelope Mountain in 

 Harney County at 6,500 feet, CorvaHis, Lucky Boy Camp on the 

 Blue River, Oregon Trail Camp in Wliitman National Forest at 5,000 

 feet, Parksdale, 2 miles west of Paulma Lake, Peoria in Benton 

 County, Pole Bridge Meadows in Crater Lake Park at 6,500 feet, 

 Portland, Rickreall, Summit Prakie, and Woodruff Meadows m 

 Jackson County); and Washington (Ashford, Elbe, Metaline Falls, 

 Mount Rainier at 4,700 feet, and Orcus Island). Most of the collec- 



