THE CANADIAN ENTOMOLOGIST. 183 



Described from eight examples from San Francisco, California, 

 collected by the author. This is a much more fragile species than any 

 before placed in this genus, and in some of its characters resembles an 

 Euacanthus. 



Errhomenellus aridus, n. sp. — Resembling maculatus, but smaller, 

 with the elytra abbreviated in the male. Length, $ , 4 mm. 



Male vertex short, obtusely angulate, the margins slightly convex, 

 scarcely as long as pronotum, over twice longer on middle than against 

 either eye, scarcely as long as its basal width, anterior margin foliaceous 

 against the eyes. Vertex acutely angled with the broad tumid front. 

 Elytra abbreviated, roundingly truncate, covering one-half the abdomen, 

 venation obscure, abdomen appressed and upturned posteriorly. Male 

 plates long, strap-shaped, with attingent upturned tips closely folded 

 against pygofers. 



Colour : Pale yellow, heavily and irregularly irrorate and reticulate 

 with dark testaceous brown and fuscous, usually a pair of irregular stripes 

 are outlined on scutellum and less definitely on pronotum, and there is 

 always an oblique light dash near the outer angle of the elytron. 



Described from four males collected at Reno, Nevada, by the author. 

 Several nearly grown nymphs taken with them were apparently females, 

 and showed about the same head characters as the adult male. 



Paropidopa friscana, n. sp. — Form and general appearance of 

 interrupta nearly. Over twice as long, with a much shorter vertex. 

 Length, 4.5 mm. 



Vertex short, roundingly angled in front, three times as wide as its 

 median length, scarcely twice as long on the middle as against either eye. 

 Elytra longer than the abdomen, coriaceous, the costa strongly convex, 

 almost angled in front. Venation distinct, slightly irregular, usually two 

 cross-nervures between the sectors. 



Colour : Pale, dirty straw, coarsely irrorate with fuscous, the 

 scutellar carinse and the posterior tablet are usually light, while the 

 scutellar margins of elytra, the veins of corium, an irregular common black 

 spot on the claval areas, and a few spots on the apical nervures, dark 

 fuscous. Face finely irrorate, a few short arcs and the sutures brown. 

 Femora lined and tipped with fuscous. 



Genitalia : Female segment short, almost truncate, slightly roundingly 

 excavated on the median third, exposing the base of the pygofers. Male 

 valve very short and broad, almost parallel margined, plates broad, 



