REPORT OF THE STATE ENTOMOLOGIST 1918 189 
Itonida apocyni Felt 
1908 Felt, E.P. N.Y. State Mus. Bul. 124, p. 414 (Cecidomyia) 
11s) IN. Y-otate Mus, Bul! 200, p: 180 
This reddish yellow male was reared August 21, 1906 from 
unopened, apparently normal blossoms of the spreading dogbane, 
Apocynum andromaesifolium, taken at Nassau, N. Y. 
Male. Length 1.5mm. Antennae one-half longer than the body, 
thickly haired, pale yellowish; fourteen segments, the fifth with 
stems three and four times their diameters; terminal segment, distal 
node with a length three times its diameter, subcylindric, tapering, 
apically with a long, slender, tapering appendage. Palpi; the first 
segment short, subcylindric, with a length one-half greater than its 
diameter, the second segment with a length four times its diameter, 
the third a little longer and the fourth a little longer and more slender 
than the third. Mesonotum a light fuscous, the submedian lines 
sparsely haired. Scutellum yellowish; abdomen reddish yellow. 
Wings hyaline, costa yellowish; halteres pale yellowish. Coxae red- 
dish yellow, femora and tibiae yellowish, the tarsi darker; claws long, 
slender, evenly curved, the pulvilli rudimentary, about one-third 
the length of the claws. Genitalia; dorsal plate short, broad, deeply 
and triangularly incised, the lobes well separated, broadly and 
roundly emarginate, the lateral angles produced, they and the 
internal angles each bearing stout setae; ventral plate long, broad, 
deeply and roundly emarginate, the lobes tapering slightly, narrowly 
rounded; style long, rather stout, constricted near the distal sixth 
and seventh, broadly rounded. Type Cecid. a168qa. 
Itonida spiraeina Felt 
1910 Stebbins, F. A. Springfield Mus. Nat. Hist. Bul. 2, p. 35 
(Cecidomyia lappa) 
1911 Felt, E.P. Econ. Ent. Jour., 4:555-56 
1918 — N. Y. State Mus. Bul. 200, p. 133 

Both sexes of this species were reared April 16, 1910 from a jar 
containing bud galls on Spiraea salicifolia collected by 
Cora H. Clarke the preceding season at Magnolia, Mass. A male 
was also reared June 27, 1910. This species is closely related to 
I’ apocyni Felt. The male may be distinguished by the 
fuscous yellowish abdomen with its distal segraents deep orange, the 
distinctly broader wings, the more cylindric distal enlargement of 
the fifth antennal segment, and the modification of the ventral plate. 
Gall. The gall is simply an enlarged terminal bud about 3 mm in 
diameter. It was brown in color when collected and approached in 
general form, the fringed terminal bud gall taken on spiraea in that 
section and was somewhat intermediate in character between this 
