92 PRELIMINARY LIST 



narrow transverse yellowish lines on either side; clypeus with a small yellow spot on 

 either basal angle; genae laterally margined near the eyes with yellow. Vertex with a 

 broad transverse band on the posterior margin between the eyes, and a narrow band 

 along anterior margin of vertex yellow, the latter having three black spots upon it, one 

 at the middle and one at either end. Pronotum and scutellum yellowish, indistinctly 

 mottled with black; elytra dark smoky with the nervures and centi-al portions of cells 

 paler; abdomen black; legs black, knees and tibiae yellowish, the tarsi streamed with 

 black. 



Length 3 mm. Described from one female. 



On Grizzly Creek, in mountains south-west of North Park, 

 July 10th, on Artemisia tridentata (Baker), 



Athysanus comma VanD. 



Det. Osborn. 



Fort Collins, July 4th (Gillette), and July 24th to August 

 18th (Baker). 



Athysanus curtipennis n. sp. 



Female: Clypeus about one-fourth longer than broad, transversely depressed before 

 the tip, sides nearly parallel, apex truncate, basal suture slightly curved; lorae as long 

 and nearly one-half as broad as the clypeus; genae broad, strongly depressed beneath the 

 eyes, outer margin broadly and 

 evenly rounded, attaining tip of 

 clypeus and rather broad beneath 

 the lorae; front one-eighth longer 

 than broad and twice the length 

 of the clypeus; superior angle 

 broadly rounded; face finely sha- 

 greened. Disc of vertex smooth 

 and shining, broadly transversely 

 depressed on posterior half, length 

 at middle once and one-third that 

 at eyes. Pronotum short and 

 broad, somewhat shorter than the 

 vertex, anterior one-fourth very 

 finely rugose, posterior three- 

 fourths rather coarsely rugose 

 with broad scattered punctures. 

 Scutellum very small, shorter than 

 pronotum, transverse groove wanting. Elytra subquadrate, as broad as long, not attain- 

 ing the tip of the second segment. Hind margin of last ventral segment with posterior 

 angles long and subacute, entire central portion between the angles wanting; ovipositor, 

 beneath, half the length of the whole body ; valves a third longer than pygofers, the latter 

 with a row of short stout spines, the former with numerous fine hairs near the tip. Color 

 pale yellowish with dark markings; front with several short transverse darker lines on 

 either side, lower angles each with a black spot; vertex with a large black spot on either 

 side at crest and a small black spot at the apex; disc of vertex with two large black spots 

 near the middle and with a narrow black line next the compound eyes; pronotum almost 

 concolorous, a rather distinct dark spot just back of the compound eye and another out- 

 side of the basal angle of the scutellum, two minute approximate black spots close to 

 anterior margin; scutellum concolorous; elytra with about four longitudinal dark lines 

 on corium between the nervures; tergum with three longitudinal black bands on either 

 side, outer ones narrow, loner broadest and containing a row of irregular pale green 

 spots; venter with middle portion of three basal segments black; pygofers with two black 

 lines on sides, valves black, margins brown; legs concolorous. 



Length 5 mm. Described from one female. 



Colorado Springs, August 3d (Gillette) 



