54 The University Science Bulletin. 



Hosts. Funkhouser gives young hickory as a host, while Metausch 

 took numerous nymphs of the species from Liquidambar. 



Ceresa constans (Walker). 



Thelia constans Walker, List Homop., ii, p. 563, 1851. 

 Ceresa constans Stal, Of. Vet. Akad. Forh., xxvi, p. 245, 1869. 

 Ceresa suhulata Provancher, Pet. Faune Ent. Can., iii, p. 3.38, 1890. 

 Ceresa illinoiensis Goding, Bui. 111. St. Lab. Nat. Hist., iii, p. 404, 1894. 



Funkhouser gives the following technical description: 



Small and distinctly reddL^ih; dorsal cre.st low, median lateral line red; meto- 

 pidium convex; horns gharji and much recurved; i)Osterior process nearly 

 straight, usually tipped with red; head triangidar; tegmina and wings hyaline. 



Head subtriangular, weakly sculptured, faintly longitudinally furrowed, very 

 finely and lightly punctate, not pubescent; eyes prominent, dark brown with 

 lighter edges, extending beyond adjoining lateral margins of pronotum; ocelli 

 glassy, nearer to each other than to the eyes; clypeus much longer than wide, 

 extending for more than half its length beyond lateral margin of face, tip 

 hirsute. 



Pronotum deeply and coarsely punctate, not pubescent, median carina 

 ])rominent; dorsal crest low, rising but little higher than tips of suprahumeral 

 horns; horns slender, sharp, hiuch recurved, extending upward and curving 

 backward; metopidium convex, regular; lateral semicircular impression deep, 

 concolorous; posterior process nearly straight, not reaching the extremity of 

 the abdomen and reaching barely one-third the distance to the tips of the 

 tegmina. 



Tegmina hyaline. Undersurface of body and legs yellowish. 



Length, 8 mm.; width, 4 mm. 



Distribution. Van Duzee reports this species from Ontario, New 

 York, North Carolina and Illinois. Specimens have also been taken 

 in Riley county, Kansas. 



Hosts. Funkhouser gives locust as the host. 



Ceresa borealis Fairmaire. 



(PI. Ill, figs. 7, 8.) 

 Ceresa borealis Fairmaire, Ann. Soc. Ent. Fr., ser. 2, iv, p. 284, 1846. 



Funkhouser gives the following technical description: 



Resembling C. bubalus in general outline, but much smaller and very hairy; 

 metopidium convex; dorsum curved, posterior process only slightly decurved; 

 head impunctate; notch of last ventral segment of female broad and tri- 

 angular. 



Head broader than long, yellowish, roughly sculptured, faintly longitudi- 

 nally striate, not punctured nor pubescent; eyes prominent, mottled with 

 green and brown, extending beyond adjoining lateral margins of pronotum; 

 ocelli small, reddish, nuich nearer to each other than to the ej^es; clypeus 

 rounded, somewhat protruding, extending for more than half its length below 

 lateral margin of face, tip hirsute. 



Pronotum green, finely, deeply and densely punctate, very hairy; meto- 

 pidium convex; median carina faint; suprahumeral horns stout, blunt, nearly 



