232 
Ohio Biological Survey 
or less of sutural area fuscous; the apical band with one or two large areolae 
hyaline. 
Described from numerous specimens, taken on the wild cherry, Pru- 
nus serotina, at Washington, D. C., by Prof. Hine. 
Corythucha aesculi n. sp. (Plate X, fig. g). 
Moderately large and broad. Antennae slender, sparsely beset with a few 
long bristly hairs; first segment three times as long as the second; second very 
short; fourth segment moderately swollen towards the apex. Rostral groove 
rather broad; rostrum reaching between the intermediate coxae. Membranous 
pronotal margins broad; reniform, unevenly reticulated, bullate about the middle, 
slightly reflected at the anterior and posterior margins. Hood strongly raised, 
abruptly constricted about the middle; posterior portion very large, globose, quite 
widely reticulated; anterior portion triangular, more closely reticulated on the 
sides, directed almost vertically downward. Median carina foliaceous, with one 
complete and a partial second (about the middle) series of areolae. Pronotum 
coarsely punctured. Sides of triangular process feebly raised anteriorly, with a 
few distinct areolae. Costal area of the elytra very broad, unevenly reticulated, 
with three complete and a partial fourth series of areolae. Length, 4 mm.; width, 
3 mm. 
Color: General color brownish. Body above and beneath black. Antennae 
yellowish; terminal segment light fuscous. Legs yellowish; tips of tarsi brownish. 
Pronotum embrowned. Membranous pronotal margins hyaline, with one or two 
small areas about the middle near the outer margin brown. Hood more or less 
embrowned, with the center of some of the areolae hyaline; nervures yellowish or 
brownish. Elytra hyaline, with a broad transverse band near the base and apex 
fuscous; in the latter band a few of the areolae hyaline. 
Found in great numbers and in the various stages of metamorphosis 
on the under sides of buckeye leaves, Aescula glabra, during the month 
of April, May, and June, 1915 and 16, on the university campus and at 
IMinerva Park, north of Columbus. This species hibernates in the adult 
stage; it can be found feeding on the leaves in early spring just as soon 
as they have partially opened. 
Corythucha bulbosa n. sp. (Plate X, fig. e). 
From any member of the genus known to us it is easily dififerentiated 
by its larger size, the much larger pronotal hood, and dark-fuscous color. 
According to Mr. H. M. Parshley (Harvard University) this species 
was given the manuscript name, C. carbonafa, by Uhler, but no descrip¬ 
tion was ever published. 
Antennae slender, beset with a few long bristly hairs; first segment three 
times as long as the second; fourth segment slightly incrassated, the bristly hairs 
becoming shorter and more numerous towards the apex. Rostral sulcus wide; 
rostrum reaching beyond the meso-metasternal suture. Hood very large, very 
