The Tingitoidea or “Lace-Bugs'" of Ohio 
225 
3. Color pallid; elytra with a more or less indistinct band near the base and 
the apical band very indistinct or entirely wanting. C. pallida n. sp. 
Color hyaline or brownish; elytra with distinct brown or fuscous bands 
near the base and apex, the latter band sometimes wanting. 4 
4. Globose portion of the hood narrow; body black, except the margins of 
the prosternum, the humeral area, and the last abdominal segment 
brownish or fulvous. 5 
Globose portion of the hood quite broad; body entirely black. 6 
5. Size small (about 3.2 mm.) ; hood sinuate on dorsal surface at the con¬ 
striction .C. pergandei Heid. 
Size larger (4 mm.) ; hood not sinuate on the dorsal surface at the con¬ 
striction . C. pruni n. sp. 
6. Hood moderately deflected; fourth segment of the antennae thick and 
brown. C. juglandis Fitch 
Hood more strongly deflected; fourth segment of the antennae less 
swollen and fuscous.C. celtidis n. sp. 
7. Globose portion of the hood twice or more than twice as broad as triangu¬ 
lar portion at constriction. 8 
Globose portion of hood less than twice as broad as triangular portion at 
constriction; elytra marmorate.C. marmorata Uhler 
8. Size large (4 mm. or longer); globose portion of the hood very large; 
anterior portion directed almost vertically downward. 11 
Size smaller (less than 4 mm.) ; globose portion of hood smaller; anterior 
portion of the hood directed obliquely forward. 9 
9. Elytra narrowed posteriorly, with two black-fuscous bands..C. contracta n. sp. 
Elytra not narrowed posteriorly, with one or two brown hands. 10 
10. Hood moderately raised; nervures of hood and membranous pronotal 
margins almost entirely yellowish; elytra with one or two brown 
bands .C. arcuata Say 
Hood considerably raised; nervures of hood and membranous pronotal 
margins mostly embrowned; elytra with two transverse brown bands 
C. crataegi n. sp. 
11. Globose portion of the hood very large; membranous pronotal margins 
and elytra without a continuous brown margin.C. aesculi n. sp. 
Globose portion of the hood extremely large; membranous pronotal mar¬ 
gins and elytra broadly margined with dark-fuscous. C. bulbosa n. sp. 
Corythucha ciliata Say (Plate VIII, fig. h). 
Tingis ciliata Say, Hemip. New Harm., p. 27, 1832; Compl. Writ., Vol. I, p. 348, 
1859. 
Corythucha ciliata Morrill, Psyche, Vol. X, p. 133, 1903. 
This is the common buttonwood or sycamore lace-bug. It is readily 
separated from the other Ohio forms in the genus by its whitish color. 
Antennae beset with numerous bristly hairs of various lengths; first segment 
twice as long as the second; fourth segment slightly swollen towards the apex. 
Rostral sulcus very broad; rostrum reaching the meso-metasternal suture. Mem- 
