THE CANADIAN ENTOMOLOGIST. 301 



H. Olympiie, Ckll. — Described from Olympia, Wash., Corvallis, Ore., 

 May and June. Many 9 's. . 



Var. sjibafigustatus, Ckll. — Described from Olympia. 



H. pacificus, Ckll. — Recorded from Olympia and Seattle, Wash., by 

 Prof. Cockerell. 



H. truncatus, Robt. — Prof. Cockerell gives this species as similis, 

 Sm., from Olympia, Wash. 



H. occtiltus^ Vach.- -Described from Wash. 



H. Cooleyi^ n. sp. — 9 • Black, head, thorax and legs clothed with 

 ochraceous pubescence, abdominal segments with basal whitish hair 

 bands, apical margins of segments broadly testaceous. Facial quadrangle 

 about square, head closely punctured, punctures crowded above antennae, 

 belowj the sides of face rugoso-punctate, supraclypeal area very closely 

 punctured, clypeus, except base, sparsely punctured, very shiny ; antennae 

 dark, only very obscurely reddish beneath toward apex ; punctures ot 

 mesothorax crowded except medially, surface finely roughened, shiny ; 

 base of metathorax finely striate to apex; truncation surrounded by a 

 cordate salient rim, rather indistinct above and with a few fine striae ; 

 pleura rather coarsely sculptured, especially the metapleura above ; wings 

 slightly dusky, the nervures and stigma yellowish ; tegulae dark, with a 

 light centre ; legs dark, hind inner spur with about seven teeth ; abdomen 

 shiny, segment i almost impunctate, bases of other segments finely closely 

 punctured, apical margins more finely and sparsely punctured ; hair bands 

 on bases 2-5, the last showing only when the abdomen is distended ; 

 discs of segments with a few yellow hairs ; pubescence of apical segments 

 yellow. 



Length about 83^ mm. 



Bozeman, Montana, June 6, 1904. 



T . Similar to 5 , antennae long, entirely dark, sculpture of meta- 

 thorax and pleura coarser than in 9 ; clypeus anteriorly, labrum and a 

 spot on mandibles, one on tubercles and tegulse, line on front of anterior 

 tibise and bases and apices of all tibiae and tarsi entirely yellow ; punctua- 

 tion of abdomen coarser and more distinct than in 9 ; 1st segment 

 distinctly punctured; apical margins of segments only narrowly testaceous; 

 last ventral segment with a median longitudinal carina. 



Length, 7-8 mm. 



Missoula, Montana, Aug. 23, 1904. 



