104 



C. proteus, Fitch. 



July and Aug. Not common. Taken in large numbers on 

 Cornus stolonifera at Lancaster, July 22, 1889. 



Super family Jassoidea, Van D. 



FAMILY ULOPID:K 



ULOPA. Fallen. 



287. U. canadensis, Van D. 



Rare. Ridgeway, Ont., A. H. Kilman; Grand Isd., near the 

 Bedell House in Oct. 1892, Clarence in Sept. (Trans. Am. Ent. 

 Soc. XIX, p. 301.) 



FAMILY BYTHOSCOPID^. 



IDIOCERUS, Lewis. 



288. I. pallidus, Fitch. 



July and Aug. Common on willows especially Salix nigra. 



Also taken on poplars. 



289. I. suturalis, Fitch. 



July and Aug. Occurs with the last, but is less abundant. 



290. I. nervatus, Van D. 



Lancaster, June 28, 1889, one example. 



291. I. alternatus, Fitch. 



Not uncommon on willows especially Salix glauca. May to 



August. 



292. I. lachrymalis, Fitch. 



Very rare here. One example was taken by Mr. W. J. Palmer 

 Jr. at Lancaster and another by myself at Hamburgh, July 16, 

 1893 on Popultts grandidentatus. 



293. I. crataegi, Van D. 



Not rare on thorn bushes in July and August. Th ; s is a very 

 active little insect and difficult to capture when beating over 

 an umbrella. (Can. Ent. XXII, p. no.) 



294. I. maculipennis, Fitch. 



July and August. On thorn bushes. Of rare occurrence. 



2<)3. I. Pronancheri, Van D. 



A beautiful little insect taken occasionally from May to Aug. 

 on various low bushes but generally near oak or hickory. (Can. 

 Ent. XXII, p. in.) 



BYTHOSCOPUS, Germ. 

 296. B. variabilis, Fitch. 



Occurs rarely on birch trees from May to July. (Ent. Am. 



VI, p. 223.) 



