19 



Superfamily TENTHREDINOIDEA 



Family PERGIDAE 



This is a highly diversified and large family in the Neotropical and Australian regions. Only 

 one genus is found for certain in North America north of Mexico. 



Taxonomy: Benson, 1938. Roy. Ent. Soc. London, Trans. 87: 376-382 (key to subfamilies of 

 world). 



Subfamily ACORDULECERINAE 



Genus ACORDULECERA Say 



Acordulecera Say, 1836. Boston Jour. Nat. Hist. 1: 209. 



Type-species: Acordulecera dorsalis Say. Monotypic. 

 Thulea Say, 1836. Boston Jour. Nat. Hist. 1: 213. 



Type-species: Thulea nigra Say. Monotypic. 

 Perantherix Westwood, 1874. Thesaurus Ent. Oxon., p. 109. 



Type-species: Perantherix pumilio Westwood. Monotypic. 

 Acorduleceros Konow, 1898. Ent. Nachr. 24: 250. 



This genus is confined to the New World where the largest number of species are found in 

 South America. In the United States and Canada, species of this genus are most abundant in the 

 eastern deciduous forests though several species are found as far west as Arizona. These 

 western forms have not been identified and are not listed below. The adults are small with short, 

 six-segmented antennae, and the larvae feed externally on the foliage of the host plants. 



dorsalis Say. Que. to Fla. w. to Iowa, Okla., Tex. Host: Qtiercus, Carya, Juglans, Castanea. 

 Either a species highly variable in coloration or a species complex. 

 Acordulecera dorsalis Say, 1836. Boston Jour. Nat. Hist. 1: 209. 9,6. 

 Acordulecera saginata Provancher, 1882. Nat. Canad. 13: 290. 9 . 

 Acorduleceros biclinius Konow, 1898. Ent. Nachr. 24: 253. 9. 

 Acordulecera media MacGillivray, 1908. Canad. Ent. 40: 168. 9. 

 Acordulecera minima MacGillivray, 1908. Canad. Ent. 40: 168. 9. 

 Acordulecera maxima MacGillivray, 1908. Canad. Ent. 40: 168. 9. 

 Acordulecera maura MacGillivray, 1908. Canad. Ent. 40: 168. 9 . 

 Acordulecera marina MacGillivray, 1908. Canad. Ent. 40: 170. 6. 

 Acordulecera munda MacGillivray, 1908. Canad. Ent. 40: 169. 9. 

 Acordulecera antennata Rohwer, 1912. U. S. Natl. Mus., Proc. 43: 246. 6. N. syn. 

 Acordulecera foveata Rohwer, 1912. U. S. Natl. Mus., Proc. 43: 247. 9, cJ. 

 Acordulecera erythrogastra Rohwer, 1912. U. S. Natl. Mus., Proc. 43: 248. 9. N. syn. 

 Acordulecera parva Rohwer, 1912. U. S. Natl. Mus., Proc. 43: 248. S. N. syn. 

 Acordulecera caryae Rohwer, 1912. U. S. Natl. Mus., Proc. 43: 248. 9,6. 



