46 [Senate 
Impuncrate Cixius, *C. impunctatus. White, dorsum yellow; 
two bands on the front, two dots on the vertex, and two 
on the prothorax, black; elytra brownish-pellucid, im- 
maculate, nerves impunctate. Length, 0:23. Found 
on oaks. No. 618, male. 
Var. a. The whole upper half of the face black. No. 
619, male. 
Five-Linep Cixius, C. quinquelineatus, (Say.) Jour. Acad. Nat. 
Sci., vi. 241. No. 620, female. 
DELPHAX. Fas. | 
Frevp Detrnax,-*D. arvensis. Pallid-yellow, immaculate ; elytra. 
and wings pellucid. Length 0-17. Common in fields of 
wheat early in June. No. 622, male; 623, female. 
Dorsat-stripep De.puax, *D. dorsalis. Dull yellow, dorsal vitta 
white ; elytra dusky, middle apical nerye and a small 
dot on the tips of the outer apical nerves black ; facial 
carine white, interstices black; tergum black, with a 
dorsal and lateral vitta orange red; legs pale yellow, 
striate with black. Length, 0:20. No. 621, male. 
OTIOCERUS. Kinrsy. 
Deceer’s Oriocerus, O, degeerii, (Kirby.) Trans. Linn. Soc., 
xiii. 16. On various trees. No. 624, male; 625, female. 
CoquezBert’s Oriocerus, O. coquebertii, (Kirby.) Tr. Linn. Soc. 
xiii. 18. Sometimes abundant on grape vines; also on 
beech and oak trees. No. 626, male; 627, female. 
Var. a. The elytral vitta dividing into three branches. 
No. 628. 
b. The vitta not prolonged upon the sides of the 
thorax. No. 629. 
Wotr’s Oriocerus, O. wolfii, (Kirby.) Tr. Linn. Soc., xiii. 19. 
Taken on walnut bushes. No. 630, male. 
Axssor’s Orrocerus, O. abbotii, (Kirby.) Tr. Linn. Soc., xiii. 
17. Taken on oaks. No. 631, male; 632, female. 
Kirsy’s Oriocervus, *O. kirbyii. White; elytra without dots, 
with a faint brownish band from the middle of the in- 
ner to the apex of the outer margin, and spot on the 
apex of the inner margin. Length, 0:42, to the tip of the 
elytra. Found on oaks. No, 683, male; 634, female. 
