376 ENTOMOLOGICAL NEWS. [Oct., ’08 
the spine are yellow. The abdomen above is mostly yellow. 
The pale markings on the head and thorax are large. Length 
10 mm. Many male specimens from Delta, Colo., July 29, 
1898. 
Microbembex monodonta argentifrons Cress. 
This subspecies was described as a distinct species from 
Cuba by Mr. Cresson. 
BEMBIDULA Burm. 
This genus is not well represented in Colorado, there being 
but two species, but an apparently new one is added here. It 
is from New Mexico. ‘The table is based on the males. 
Larger (about 18 mm.) ; postscutellum black ; spots on the abdominal 
segments much wider at the sides, spots eight in number, 
growing smaller towards apex. ..... quadrifasciata Say. 
Smaller (about 14 mm.) ; postscutellum marked with yellow; spots of 
abdomen not or but little wider at the sides, spot on all the 
segments narrowly separated inthe middle... ...... I. 
1. Clypeus black; punctures of dorsulum close; tibiae with a black 
stripe ; bands on abdomen rather narrow . . . ventralis Say. 
Clypeus with a large pale spot; punctures of dorsulum larger and 
more separated ; tibiae entirely pale; bands on the abdomen 
Draenei ae ete oman meliloti Roh., n. sp. 
Bembidula ventralis Say. . 
Female, Cope, Colo., Aug. 19, 1905 (S. A. Johnson). 
Bembidula quadrifasciata Say. 
Female without a label, but probably from Ft. Collins, 
Colo., having been picked up by a student. 
Bembidula meliloti Roh., n. sp.—%. Length about 14 mm. ; clypeus 
finely closely punctured, along the anterior margin are a few larger punc- 
tures; mandibles with two rather small teeth within; front punctured 
similar to clypeus ; first joint of the flagellum a little longer than 2 + 3; 
apical joints slightly produced beneath ; apical joint obliquely truncate ; 
dorsulum punctured with rather large punctures, which are separated 
(not widely so, however) on the posterior part, the anterior part and 
near tegule they are closer; scutellum punctured like posterior part of 
dorsulum, if anything, more sparsely so; mesopleura with large, sepa- 
rate punctures ; metathorax sculptured like scutellum, or perhaps the 
punctures are a little closer ; angles broadly, obtusely rounded ; first joint 
of anterior tarsi emarginate at base beneath; middle femora with a 
strong, stout spine at base beneath ; abdomen distinctly reticulate, apical 
a 
