88 Journal New York Entomological Society. [Voi. xii. 



Eucerceris fulviceps Cresson, var. rhodops, new variety. 



Scutellum entirely black (red in the typical form, which is also from New Mexico). 



9. Length about 14mm.; head red, face yellow; thorax black, marked with 

 yellow ; abdomen lemon yellow above, sutures red and black, apical segment black ; 

 venter with basal two thirds red, apical third black ; legs red ; wings dark fuliginous. 

 Mandibles with a very large tooth within near base ; clypeus excavated and extremely 

 narrow, leaving a large space between clypeus and mandibles ; middle of clypeus with 

 a long marginal tooth directed anteriorly ; antennae with the first four joints red, the 

 rest black ; base of metathorax strongly transversely grooved, with a longitudinal 

 median groove ; sides of the enclosure with two long yellow marks converging caudad ; 

 pygidium broad, rugose, rounded at end. Eyes in life deep red 



A most beautiful and peculiar species. One, Pecos, N. M., at 

 flowers of Eriogomun, Aug. 19, 1903 (Wihnatte P. Cockerell). 



Eucerceris rubripes, Cresson. 



Highrolls, N. M., June 3, 1902 (Viereck) ; Santa Fe, N. M., 

 August (Cockerell, 3,984) ; Glorieta, N. M., Aug. 23, 1903 (Cock- 

 erell). The eyes of the male i 1 life are green suffused with red. 



Eucerceris canaliculata (Say). 



Las Cruces. N. M. (C. H. T. Townsend) ; Alamogordo, N. M., 

 eleven. May 13, 1902 (Viereck). 



The two following occur in New Mexico, but are not contained in 

 the collection before us : 



Eucerceris zonatus (Say). 



Mesilla Valley. 

 Eucerceris fulvipes Cresson. 



Las Vegas. 



Class I, HEX APOD A. 



Order II, COLEOPTERA. 



CATERPILLARS ATTACKED BY HISTERS. 



By Wm. T. Davis, 



Staten Island, N. Y. 



The following observations on caterpillars being attacked by North 

 American species of Hister may be of interest from the fact that the 

 maiidals of entomology generally give the student the impression that 

 the HisteridK are scavengers only. Some make the statement without 



