CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 165 



Clouded Apple Capsid (Neurocolpus nuhilus Say). — A widely dis- 

 tributed capsid, injuring apple trees and fruit in Ontario. 



Adult. — One-fourth inch long, larger and narrower thanLygw^ pra- 

 tensis. Color variable, but dorsally mostly cinnamon brown to red- 

 dish-black; has a dull felty appearance; ventrally light green. Basal 

 joint of antennae stout, dark, and with clavate dark brown hair; second 

 segment slender, elongate; legs slender with reddish bands. 



Eggs. — Curved, nearly colorless, with a glistening white cap. In- 

 serted into tissues of new growth; egg-laying period July i5th-Sept. 

 ist; eggs usually laid singly behind buds. Hibernate. Hatch about 

 first week in June. 



Nymph. — ^This stage lasts from 3 to 4 weeks. At first nearly color- 

 less, but later is green with dull reddish marks on back and sides. 



Control. — -Clean cultivation, until end of June; spray the leaves 

 thoroughly with soap and Black Leaf 40 soon after the nymphs hatch. 



Apple Red Bugs {Heterocordylus malinus Renter and Lygidea 

 mendax Renter). — (Consult Cornell Bull. 291.) These bugs cause 

 spotting of the leaves, and they puncture the fruit in June, causing 

 deformation. 



Adults. — -One-fourth inch long; Heterocordylus varies from red to 

 black; wings red, black along inner edge and with an ovate black spot 

 near outer margin; scutellum, legs and antennae black, dorsum covered 

 with white, scale-like hairs; Lygidea is lighter colored and without hairs 

 on back; head and pro thorax orange-red, scutellum orange-red in front 

 and blackish posteriorly; wings with a band of orange-red along outer 

 edges, legs darker yellow. 



Eggs. — Dull whitish, curved and slightly compressed, inserted into 

 the bark of smaller branches; hatch soon after opening of leaves of 

 fruit-buds. 



Nymphs. — At first red; five stages; Heterocordylus has dusky mark- 

 ings on thorax and no fine short hairs on thorax. 



Control. — -Applications of Black Leaf 40 (i pt. to 100 gal.) just 

 before blossoms open, and just after falling of the petals. 



Hop Red Bug (Faralacoris hawleyi Knight). — This capsid is a 

 pest of hops in New York. It stunts and deforms the vines and per- 

 forates the leaves. 



Adult. — One-fourth inch long, black with hemelytra hyaline or pale 

 yellowish, and cuncus reddish. July. 



