476 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 4 



NEW SPECIES OF GALL MIDGES 



By E. P. Felt, Albamj, N. Y. 



The following descriptions of Itonidse relate to species recently 

 reared or to reared forms recently determined as new. 



Joanissia pennsylvanica n. sp. Male. — Length 1 mm. Antennae presumably 

 dark brown; fourteen segments, the fifth with a smooth stem about one- 

 fourth longer than the oval subglobose enlargement; terminal segment produced, 

 narrowly oval and with a stout apical process about 1-3 the length of the basal 

 enlargement. Palpi ; the first segment subglobose, the second narrowly oval, with a 

 length twice its diameter, the third nearly as long, the fourth narrowly fusiform. 

 Body colors presumably dark brown or fuscous as in other species. Wings 

 hyaline, rather broad, the tip of subcosta apparently obsolete though it reaches 

 about to the basal half of the wing, the third vein united to subcosta just before 

 the point where it disappears by a long, oblique crossvein and joins the margin 

 just beyond the apex, the fifth vein disappearing distally. Metatarsus of the 

 posterior legs about two and one-half times the length of the second segment ; claws 

 strongly curved almost at right angles, slender, the pulvilli shorter than the claws. 

 Genitalia apparently of the normal type as in J. photophila Felt. 



Female. — Length 1.25 mm. Antenna; with eleven segments, the fifth with a 

 stem about as long as the narrowly ovate basal enlargement. Ov'positor short. 

 Inarticulate, the terminal lobe narrowly oval and thickly clothed apically w ith long, 

 .stout setae. 



Reared from peony roots collected by B. H. Farr of Reading, Pa.^ 

 and submitted for study by Prof. H. A. Surface. Type C al928. 



KRONOMYIA n. g. 



The remarkable form described below is evidently allied to Bra- 

 chyneura Rond., though readily separated therefrom by the four 

 long veins, the fifth and sixth being simple, and the totally different 

 antennal structure. The antennse in the female of this species have 

 but twelve segments, the apical evidently composed of two closely 

 fused reduced segments, the other flagellate ones vnth. a short stem 

 and a short, stout basal enlargement ornamented with a basal whorl 

 of long, stout setie and a thick band of short, curved setae. The 

 The biarticulate palpi with the greatly produced, capitate terminal 

 segment and the peculiar ovipositor, all serve to differentiate this 

 species from allied genera. Type K. populi n. sp. 



Kronomyia populi n. sp. Female. — Length 1.75 mm. Antennse extending to 

 the second abdominal segment, thickly haired, fuscous; twelve segments, the first 

 broadly obconic, the second very short, almost disk-shaped, the third and fourth 

 free, the fifth with a stem about one-fourth the subcylindric basal enlargement, 

 which latter has a length one-half greater than its diameter, a sparse subbasal whorl 



