XYELIDAE 7 



*Xyela middlekauffi. Burdick, 1961. Calif. Univ. Pubs., Ent. 17: 343. $. 

 (Syn. by Benson, 1962, loc. cit. supra, p. 385.) 



bakeri Konow. Eastern, Que. south to Fla. and E. Tex.; Ont., Mich,; Western, 

 Alta, south to N. Mex., B. C. south to Calif. Hosts: Pinus palustris, 

 P. ponderosa, P. sabiniana, P. virginiana. 



Xyela salicis Rohwer, 1913 (syn. by Burdick, 1961, loc cit. supra, p. 325). 



Xyela intrabilis MacGillivray, 1923 (syn. by Burdick, 1961, loc. cit. supra, 

 p. 325). 



brunneiceps Rohwer. Syn. of alpigena (Strobl). 



californica Rohwer. 



Taxonomy: Burdick 1961, loc. cit. supra, p. 340. 



*cheloma Burdick. Idaho, Nev., B. C, Wash., Oreg., Calif. Host: Prob. Pinus 



Xyela cheloma Burdick, 1961. Calif. Univ. Pubs., Ent. 17: 336. 9, 5- 



*concava Burdick. Nev., Calif. Host: Pinus monophylla. 



Xyela concava Burdick, 1961. Calif. Univ. Pubs., Ent. 17: 342. 9, $. 



♦deserti Burdick. Calif. Host: Pinus monophylla. 



Xyela deserti Burdick, 1961. Calif. Univ. Pubs., Ent. 17: 347. $, $. 



dissimilis Rohwer. Syn. of minor Norton. 



errans Rohwer. Syn. of minor Norton. 



intrabilis MacGillivray. Syn. of bakeri Konow. 



♦linsleyi Burdick. Idaho, Wash., Calif. Host: 1 Pinus ponderosa. 



Xyela linsleyi Burdick, 1961. Calif. Univ. Pubs., Ent. 17: 344. ?, $. 



'^lunata Burdick. Calif. Hosts: Pinus sabiniana, prob. P. coulteri. 



Xyela lunata Burdick, 1961. Calif. Univ. Pubs., Ent. 17: 334. 9, 5. 



luteopicta Cockerell. Syn. of minor Norton. 



^middlekauffi Burdick. Syn. of alpigena (Strobl). 



minor Norton. Eastern, Que. and Ont. south to E. Tex., Western, Alta. south 



to N. Mex., B. C. south to Calif. Hosts: Pinus coulteri, P. muricata, 



P. ponderosa, P. sabiniana, P. virginiana. 

 Xyela luteopicta Cockerell, 1902 (syn. by Burdick, 1961, loc. cit. supra, p. 



330). 

 Xyela alni Rohwer, 1913 (syn. by Burdick, 1961, loc. cit. supra, p. 330). 

 Xyela dissimilis Rohwer, 1913 (syn. by Burdick, 1961, loc. cit. supra, p. 



330). 

 Xyela errans Rohwer, 1913 (syn. by Burdick, 1961, loc. cit. supra, p. 330). 

 Xyela nevadensis Rohwer, 1913 (syn. by Burdick, 1961, loc. cit. supra, p. 



330). 

 Xyela winnemanae Rohwer, 1913 (syn. by Burdick, 1961, loc. cit. supra, 



p. 330). 

 Morphology: Daly, 1963. Ent. Soc. Amer. Ann. 56: 299. 



nevadensis Rohwer. Syn. of minor Norton. 



'*=ob8cura (Strobl). Newfoundland and Ont. south to Fla. and E. Tex.; 



N.W.T. south to Alta., and Mont.; B, C. south to Calif.; Holarctic. 



Hosts: Pinus palustris, P. banksiana, P. ponderosa, P. virginiana. 

 Pinicola julU var. obscura Strobl, 1895. Wien. Ent. Zeit. 14 : 277. 9 . 

 Xyela pini Rohwer, 1913 (syn. by Benson, 1962, loc. cit. supra, p. 385). 



pini Rohwer. Syn. of obscura (Strobl). 



Xyela slossonae Rohwer, 1913 (syn. by Burdick, 1961, loc. cit. supra, p. 



327). 

 Xyela similis Rohwer, 1913 (syn. by Burdick, 1961, loc. cit. supra, p. 327). 



♦priceae Burdick. Calif. Host: Pinus coulteri. 



Xyela priceae Burdick, 1961. Calif. Univ. Pubs., Ent. 17: 339. 9, $. 



*radiatae Burdick. Calif. Host: Prob. Pinus radiata. 



Xyela radiatae Burdick, 1961. Calif. Univ. Pubs., Ent. 17: 337. 9, $. 



