10 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



kincaidi Rohwer. Syn. of albomarginata (Cresson). 



luteomaculata (Cresson). N. B., Que., Maine, Vt., Mass., Ont., Pa., Ohio, 

 Mich., Wis., Minn. Hosts: Pinus strobus, prob. P. sylvestris, P. 

 banksiana. 



luteopicta Rohwer. Syn. of verticalis (Cresson). 



maculiventris (Norton). Labrador, Que. and Maine south to N. C, west to 

 B. C. and Calif. Hosts: Abies balsamea, Picea glauca, possibly 

 Picea mariana, Pinus strobus. Delete chicoutimiensis (Huard) 

 from syn. 



montivaga Cresson. Syn. of verticalis (Cresson). 



morrisoni Cresson. Syn. of brunnicans (Norton). Delete nevadensis Cresson 

 from syn. 



nevadensis Cresson. Syn. of brunnicans (Norton). 



nigripes (Cresson). Nev., Oreg., Calif. 



nigrita (Cresson). Calif. 



ochrooera (Norton). Que., Ont., Mich., Wis. 



olympia MacGillivray. Syn. of bucephala (Cresson). 



ruficeps (Harrington). Que., Mass., Ont., N. Y., Mich., Minn., B. C. Hosts: 

 Prob. Pinus resinosa, P. contorta, P. banksiana. 



rufiventris Cresson. Syn. of verticalis (Cresson). 



terminalis (Cresson). Colo., Wash., Oreg., Calif. 



Itycorsia ballista MacGillivray, 1923 (syn. by Middlekauff, 1958, loc. cit. 

 supra, p. 125). 



*thalictra Middlekauff. Tex., N. Mex. Host: ? Pinus edulis. 



Acantholyda (Itycorsia) thalictra Middlekauff, 1958. Calif. Univ. Pubs., 

 Ent. 14: 126. ?. 



verticalis (Cresson). Minn., Nebr., Mont., Wyo., Colo., Alta., Nev., B. C, 



Wash., Oreg., Calif. Hosts: Pinus radiata, prob. P. contorta, P. 



ponderosa, P. monticola. 

 Lyda similaris Cresson, 1880 (questionably syn. in Catalog, p. 9). 

 Lyda montivaga Cresson, 1880 (syn. by Middlekauff, 1958, loc. cit. supra, 



p. 127). 

 Lyda rufiventris Cresson, 1880 (syn. by Middlekauff, 1958, loc. cit. supra, 



p. 127). 

 Itycorsia luteopicta Rohwer, 1910 (syn. by Middlekauff, 1958, loc. cit. 



supra, p. 127). 



zappei (Rohwer). Que., N. H., Mass., Ont., N. J., Md., Mich. Hosts: Pinus 

 austriaca, P. strobus, P. rigida. 



Unplaced Species of Acantholyda 

 variegata Norton. Delete bucephala Cresson from syn. 



Genus CEPHALGIA Panzer, pp. 9-10, Sup. 1, p. 8 

 Revision: Middlekauff, 1958, loc. cit. supra, pp. 132-149. 

 apicalis (Westwood). Transf. to Acantholyda subg. Acantholyda A. Costa. 



*californica Middlekauff. Mont., ? Wyo., Calif. Hosts: prob. Pinus murray- 

 ana, P. ponderosa. 

 Cephalcia calif ornica Middlekauff, 1958. Calif. Univ. Pubs., Ent. 14: 

 135. 9. 



canadensis (Norton). Transf. to Unplaced species of Pamphiliidae. 



criddlei (MacGillivray). Syn. of fascipennis (Cresson). 



dissipator (MacGillivray). Syn. of fascipennis (Cresson). 

 distincta MacGillivray. Syn. of provancheri (Huard). 



