84 
PRELIMINARY LIST 
Paramesus vitellinus Fitch. 
(.Paramesus twiningi Uhl.) 
Estes Park, July 12th; Manitou, June 25th; Colorado 
Springs August 3d (Gillette). 
The type of twiningi is a slightly faded male of vitellinus. 
In this species the second transverse nervure between the 
first and second sectors of the elytra is sometimes absent. 
Paramesus jucunclus Uhl. 
* (Eutettx jucunclus lhi.) 
Manitou, August 13th (Uhler, 5). Colorado (VanDuzee, 4). 
Manitou, June 25th (Gillette). 
Parabolocratus viridis Uhl. Det. VanDuzee. 
Near Golden, and on highlands west of Denver. Apparently rare (Uhler, 5). 
Colorado (VanDuzee, 4). 
Lamar, May 7th; Dolores, June 18th; Rist Canon, June 
13th-(Gillette). Fort Collins, July 29th (Baker). 
Platymetopius acutus Say. Det. VanDuzee. 
Manitou, August 13th, swept from herbage near Fountain creek (Uhler, 5). 
Rist Canon, June 12th to August 8th; Fort Collins, Sep¬ 
tember 27th on Rhus trilobata; Steamboat Springs, July 26th; 
Manitou, July 24th on Clematis, and September 29th on oak; 
Grand Junction, August 26th on sugar beet (Gillette). Fort 
Collins, August 18th; Steamboat Springs, July 14th (Baker). 
Deltocepbalus affinis n. sp. 
Female: Face one-seventh wider than long; clypeus one-third longer than broad, 
somewhat more than one-half the length of the front, gradually narrowing to the 
rounded apex, basal sutures nearly straight; lorae subovate, as long and one-half as 
broad as the clypeus, genae broadly obtusely angled below the eye, rather broader than 
usual below the lorae, attaining the tip of the clypeus; front one-seventh longer than 
wide, gradually narrowing to clypeus, superior angle a right angle. Face and anterior- 
half of vertex finely shagreened. Vertex one- 
half longeron the middle than at the eyes, width 
between the eyes once and a fourth the length at 
the middle, disc with the two depressed areas 
near the hind margin. Pronotum two and one- 
fourth times wider than long, but little longer 
than the vertex, curvature three-fifths of the 
length, posterior margin very slightly concave, 
anterior third glabrous with two distinct pits 
near the median line, posterior two-thirds indis¬ 
tinctly rugose. Scutellum as usual, transverse 
groove quite indistinct. Elytra barely exceed¬ 
ing abdomen. Last ventral segment with the 
hind margin very deeply and broadly notched’ 
