EDMUND H. GIBSON <9 



Nervures yellow. Brown spot on paranota, sometimes appearing as two. 

 Size, 4 mm. long, 2 mm. wide. 



This species is second only in .size to bulbosa Osborn and Drake. 

 The very large hood and wide den.se apical band across elytra 

 are characteristic. ()st)orn and Drake note its occurrence in 

 Ohio, Illinois and Kentucky on buckeye (Aesculus glabrus) and 

 states that it hibernates in the adult stage. It is also reported 

 to occur on horse chestnut (Aesculus hippocastanum) . The type 

 and twent3'-two ])aratypes were examined. 



4. Corythucha associata Osborn and Drake 



1916. Corythucha associata Osborn and Drake, Ohio Journal Sci., xvii, no. 1, 

 p. 14. 



Hood very large, tlu-ee times as liigh as median carina, and nearly as liigh as 

 long; considerably longer than median carina. Height of hood noticeably 

 greater than length of median carina. Reticulations of hood large. Sides of 

 elytra straight. Spines on membranous margins and nervui-es moderately 

 long and normally numerous. Size, 4.1 mm. long, 2.4 mm. wide. 



Hood embrowned. Brown band across base and apex of elyti-a. Apical 

 band as wide as one-third the length of elytra, with two or three large hyaline 

 areoles. 



Wild Cherr}' (Pniniis serotina) and peach are the known food 

 ])lants of this species. Its occurrence is recorded from New York 

 west and south through Tennessee and Georgia. Specimens 

 studied included the t^'pe and fifteen paratypes. 



5. Corythucha spinulosa new species 



Hood twice as high as median carina and noticeabl}' longer. Height of hood 

 equals about two-thii'ds the length of hood, and not much greater than length 

 of median carina. Median carina with two rows of areoles. Reticulations of 

 hood large. Costal margins of elytra nearly straight. Spines on membranous 

 margins normally long, not numerous on nervures. Size, 4 mm. long, 2.5 mm. 

 wide. 



Ilood embrowned on top. Nervures of paranota yellow, with only a trace 

 of brown spots. Dark brown band across base and apex of elytra. Apical 

 band slightly less in width than one-third length of elyti'a. Two or three 

 large hyaline areoles in apical band and several partial hyaline. 



Differs from associata Osborn and Drake in having a lower 

 hood, fewer spines on nervures, two rows of areoles in median 

 carina, and a narrower apical l)and across elytra. Distinguished 

 from cyrta Parshley in having crest of hood more acute and angu- 

 late and top from crest forward nearly straight. 



TRANS. AM. ENT, SOC, XLIV. 



