12 Hymenoptera in America North of Mexico 



Caenolyda nortoni Rohwer, 1910. Canad. Ent. 42: 91. 9. 

 Cephaleia jenseni MacGillivray, 1912. Canad. Ent. 44: 297. 9. 



Genus ACANTHOLYDA Costa 



Revision: Middlekauff, 1958. Calif. Univ., Pubs., Ent. 14: 1-132. 



Genus ACANTHOLYDA Subgenus ACANTHOLYDA Costa 



Acantkocnema Costa, 1859. In Costa, Fauna Regno. Napoli, Imen. v. 3, p. 2. No included 

 species. Suppressed, Internatl. Comm. Zool. Nomencl. Op. 290, 1954. 



Type-species: Tenthredo erythrocephala Linnaeus. Desig. by Benson, 1945. 

 Acantholyda Costa, 1894. Prosp. Imen. Ital., v. 3, p. 232. 



Type-species: Tenthredo erythrocephala Linnaeus. Desig. by Rohwer, 1910. 

 apicalis (Westwood). N. C, Ga., Fla., Miss. Host: Pinus taeda. 



Lyda apicalis Westwood, 1874. Thesaurus Ent. Oxon. p. 11, pi. 20, fig. 8. 6. 

 atripes (Cresson). N. J., Pa., Md., N. C, Ga., Ark. 



Lyda atripes Cresson, 1880. Amer. Ent. Soc, Trans. 8: 27. 9 . 

 erythrocephala (Linnaeus). Conn., N. Y., N. J., Pa., Ont; Europe to Japan and Korea. Introd., 

 first found in Pa. in 1925. Host: Pinus austriaca, P. densiflora, P. montana, P. mughus, 

 P. nigra, P. pungens, P. resinosa, P. strobus, P. sylvestris. Pine false webworm. 

 Tenthredo erythrocephala Linnaeus, 1758. Syst. Nat. Ed. 10, v. 1, p. 558. 



Biology: Griswold, 1939. Jour. Econ. Ent. 32: 467-468. — Eidt and McPhee, 1963. Canad. Dept. 

 For., For. Ent. Path. Branch, Bimonthly Prog. Rpt. 19: 2. 

 marginiventris (Cresson). Mass., N. Y., N. J., Va., N. C. 



Lyda marginiventris Cresson, 1880. Amer. Ent. Soc, Trans. 8: 29. 9. 

 pini Rohwer. Que., Ont., and Mich. s. to Ga. Host: Pinus resinosai?). An adult collection 

 record. 

 Acantholyda pini Rohwer, 1911. U. S. Natl. Mus., Proc. 41: 377. 9. 

 Acayitholyda modesta MacGilHvray, 1923. Brooklyn Ent. Soc, Bui. 18: 53. 9. 

 poeppigii (Brischke and Zaddach). Pa., N. C, Ga. 



Lyda Poppigii Brischke and Zaddach, 1865. Phys. Okonom. Gesell. Konigsberg., Schr. 6: 

 123. 9. 

 runcinata Middlekauff. Tex., Colo., N. Mex., Ariz. 



Acantholyda (Acantholyda) runcinata Middlekauff, 1958. Calif. Univ., Pubs., Ent. 14: 89. 

 9,cJ. 

 tesselata (Klug). Que. and Mass. s. to Ga. and w. to Minn. Host: Pinus banksiana, P. resinosa. 

 Lyda tesselata Klug, 1808. Mag. Gesell. Naturf. Freunde Berlin 2: 276. 9. 

 Lyda abdominalis Norton, 1862. Ent. Soc. Phila., Proc. 1: 199. 9. 



Genus ACANTHOLYDA Subgenus ITYCORSIA Konow 



Itycorsia Konow, 1897. K. K. Naturhist. Hofmus., Ann. 12: 13. 



Type-species: Tenthredo hieroglyphica Christ. Desig. by Rohwer, 1910. 



aequorea Middlekauff. Calif. 



Acantholyda (Itycorsia) aequorea Middlekauff, 1958. Calif. Univ., Pubs., Ent. 14: 93. 9, d. 

 albomarginata (Cresson). Mich. w. to Colo., Alaska and CaHf. Host: Pinus monophylla, P. 

 muricata, P. ponderosa. 

 Lyda albomarginata Cresson, 1880. Amer. Ent. Soc, Trans. 8: 30. 9. 

 Itycorsia Kincaidi Rohwer, 1910. Canad. Ent. 42: 91. 9. 

 angulata (MacGillivray). N. B. and Que. s. to N. C. and w. to Minn. Host: Pinus austriaca, P. 

 banksiana, P. densiflora, P. rigida, P. strobus. 

 Itycorsia angulata MacGillivray, 1912. Canad. Ent. 44: 295. 9. 

 atrata (Cresson). Idaho, Nev., B. C, Wash., Oreg., Calif. Host: Tsuga heterophylla, Abies 

 concolori^). 

 Lyda atrata Cresson, 1880. Amer. Ent. Soc, Trans. 8: 30. 6. 

 Itycorsia balata MacGillivray, 1923. 111. Univ., Bui. 20(50): 18. 9. 



