120 V. S. NATIONAL MUSEUM BULLETIN 216 



3. Dolichomitus cuspidatus, new species 



Figures 333,c; 347 



Male: Front wing 7.5 to 10.5 mm. long; clypeus with a median 

 apical knoblike tooth; prepectal carina absent; first tergite about 1.55 

 as long as wide; second tergite about 1.35 as long as wide; tubercles of 

 third tergite exceptionally flat, covered with moderately coarse punc- 

 tures whose interspaces are about 1.3 their diameter; abdomen ex- 

 ceptionally smooth and tapered apically, its seventh tergite long, a 

 little narrowed apically, its apex rounded off; subgenital plate as in 

 figure 333, c; genitalia as in figure 347. 



Black. Clypeus and mandible a little tinged with ferruginous; 

 base of maxillary palpus blackish, the rest whitish but brownish 

 apically ; labial palpus dark brown; tegula and a narrow stripe on upper 

 margin of pronotum extending from hind corner about 0.65 the dis- 

 tance to notaulus, white; coxae fulvous, infuscate at base, the front 

 coxa ivory in front; trochanters fulvous, the front trochanters ivory 

 in front and below; femora fulvous, the front and middle femora pale 

 at apex in front and the hind femur infuscate apically; front and 

 middle tibiae infuscate, pale below and in front and with a pale stripe 

 on their basal 0.18 ± above; hind tibia dark brown, a little paler 

 below; front and middle tarsi fulvous brown; hind tarsus dark brown. 



Female: Front wing 9.0 to 11.5 mm. long; clypeus with a small 

 median apical tooth; prepectal carina absent; first tergite about 1.28 

 as long as wide; second tergite about 1.0 as long as wide; tubercles of 

 third tergite exceptionally flat, covered with moderately coarse 

 punctures whose interspaces are about 0.7 their diameter; ovipositor 

 sheath about 2.1 as long as front wing. 



Black. Colored as in the male except that there are no ivory marks 

 on the front coxa nor on the front and middle trochanters. 



Type: d", reared from Monochamus maculosus, Boulder Creek, 

 Calif., Sept. 13, 1918 to May 29, 1919, Burke and Hartman (Wash- 

 ington, USNM 63688). 



Para types: d% 29, Berkeley, Calif., Apr. 8 and 10, 1932, E. O. Essig 

 (Berkeley and Townes) . 4 cT , 49, reared from Monochamus maculosus, 

 Sept. 13, 1918 to May 29, 1919, Burke and Hartman (Washington). 

 9, Grass Valley, Calif., Apr. 18, 1936 (Davis). d\ Mokelumne Hill 

 Calif., March, F. E. Blaisdell (San Francisco). d\ Northfork, Calif., 

 Apr. 30, 1926, H. E. Burke (Berkeley), cf, Solano County, Calif., 

 Mar. 4, 1936 (Townes). 



This species occurs only in California. It is adult in March and 

 April. 



