

Vol. XXvii] ENTOMOLOGICAL NEWS. 415 



segment with two latero-posterior diverging, triangular spines and an 

 irregular arc extending from one of these groups to the other and 

 composed of approximately nine smaller, though stout spines, the basal 

 portion of the terminal segment with an irregular series of similar 

 though somewhat smaller spines. 



$ . Length, 3 mm.. Antennae nearly as long as the body, sparsely 

 haired, dark brown; 14 segments, the third with a length five times its 

 diameter, the terminal segment somewhat reduced, with a length four 

 times its diameter. Palpi : the first segment quadrate, the second 

 with a length more than twice that of the first, the third more slen- 

 der and one-half longer than the second. Mesonotum slaty brown. Scu- 

 tellum and postscutellum brownish red. Halteres fuscous yellowish 

 Coxae dark brown ; legs mostly pale yellowish ; claws stout, strongly 

 curved, the pulvilli as long as the claws. 



Abdomen dark brown. Genitalia : basal clasp segment short, very 

 broad; terminal clasp segment short, stout; dorsal plate divided, the 

 lobes triangular, the inner margins broadly rounded and setose ; ven- 

 tral plate suborbicular, deeply and roundly emarginate posteriorly, the 

 lobes narrowly rounded apically. 



9 . Length, 3 mm. Antennae nearly as long as the body, sparsely 

 haired, dark brown ; 14 segments, the third with a length six times its 

 diameter; terminal segment with a length three-fourths its diameter. 

 Palpi : first segment subquadrate, the second with a length about 

 twice that of the first, the third more slender, with a length about one- 

 fourth greater than the third. 



Mesonotum slaty brown, the submedian lines sparsely haired. Scu- 

 tellum and postscutellum reddish brown. Halteres yellowish white. 

 Coxae dull reddish, the legs mostly fuscous yellowish ; claws stout, 

 strongly curved. 



Abdomen dark reddish brown. Ovipositor about as long as the abdo- 

 men. 



Type. Cecid. 32550. 



Retinodiplosis taxodii n. sp. 



A number of midges tentatively referred to this genus were 

 reared April 27, 1916, by Mr. George W. Barber, Charleston, 

 Missouri, from cones of Bald Cypress, Taxodiuin disticlnun. 

 The food habits, as well as certain structural characteristics 

 serve to distinguish this species from related forms. This gall 

 was also collected November 14, i')io, by Dr. \Y. L. McAtee 

 at Mud Lake, Arkansas, though no adults were reared. 



Cull. This is an irregular, thick-walled, somewhat spunky, usually 

 monothalamous gall with a diameter of 5 to 7 mm., which occurs 



