

ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



Vol. ix. MAY, 1898. No. 5. 



CONTENTS: 



Hough— Two new American species of Casey— Entomological measurements... 116 



Cynomyia, etc 105 Editorial 118 



Wadsworth— Fourth addition to the list Economic Entomology 119 



of Dragonflies, etc in Notes and News 120 



Kunze— Rarae aves of the insect fauna Entomological Literature 121 



of Arizona 112 Doings of Societies 126 



Smith — Notes on some structural pecu- 

 liarities of Sanninoidea exitiosa.... 114 



TWO NEW AMERICAN SPECIES OF CYNOMYIA -A STUDY 

 IN CH/ETOTAXY. 



By Garry de N. Hough, M.D. 



Cynomyia americana nov. sp. — Length seven to thirteen millimeters. 

 Thorax blackish blue, opaque, with six faint whitish pollinose cephalo- 

 caudal stripes (two achrostical, two dorso-central and two humeral) best 

 seen with very oblique illumination. Abdomen dark metallic-green to 

 violet, often a brilliant metallic-violet, frontal vitta brown to black: geno- 

 vertical plates (sides of the frcnt) and genae (that part of the side of the 

 face which is dorsad the transverse impression of the face and ventrad 

 the insertion of the antennae) of silky lustre, their color varying, accord- 

 ing to the incidence of the light, from a rich brown to a shining brownish 

 yellow; buccae (that part of the side of the face and head which is ventrad 

 the transverse impression of the face and ventrad the eye) black, except 

 the anterior half, which varies, according to the incidence of the light, 

 from black to a ferruginous red; antennae black to brown, with base of 

 third joint and apex of second yellowish red to yellow; palpi reddish yel- 

 low. Abdomen of male hairy, as in the European Cynomyia mortuorum 

 L., the prominent hypopygium very densely beset with soft black hair, 

 the two terminal chitinous hooks often quite prominent. Wing, antenna 

 and chaetotaxy shown on plate; tegulae white to pale brown. Legs black, 

 anterior and posterior thighs have their lateral surfaces quite thickly 

 clothed with long, fine, black hairs. 



I have 244 specimens, male and female. This species has a 

 very wide distribution, my specimens being from Canada, Massa- 





