292 Hymenoptera in America Nori;h of Mexico 



Genus PERISTENUS Foerster 



Peristenus Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 25. 

 Type-species: Microctonus barbiger Wesmael. Orig. desig. 



Parasites of Miridae. In all known examples, the early instar nymph is parasitized and the ma- 

 ture parasite larva emerges from either the mature host nymph or adult. 



Revision: Loan, 1974. Roy. Ent. Soc. London, Trans. 126: 207-222 (Eur. spp.). —Loan, 1975 

 (1974). Nat. Canad. 101: 835-859 (No. Amer. spp.). 



Taxonomy: Loan, 1975 (1974). Nat. Canad. 101: 822-824. 



Biology: Loan and Bilewicz-Pawinska, 1973. Environ. Ent. 2: 271-278. 

 aini Loan. Ont. 



Peristenus alni Loan, 1975 (1974). Nat. Canad. 101: 841. 9. 



bicolor Loan. Ont. Host: Siaterocorpis sp., S. atritibialis (Knight), S. brevitatus (Knight), S. 

 stygicus (Say). 



Peristenus bicolor Loan, 1975 (1974). Nat. Canad. 101: 852. 9,3. 

 brimleyi Loan. Alta., B. C. 



Peristenus brimleyi Loan, 1975 (1974). Nat. Canad. 101: 842. 9, tJ. 

 chlamydatidis Loan. Sask. Host: Chlamydatus sp. 



Peristenus chlamydatidis Loan, 1975 (1974). Nat. Canad. 101: 848. 9. 

 clematidis Loan. Ont. Host: Halticus uhleri (Knight). 



Peristenus clematidis Loan, 1975 (1974). Nat. Canad. 101: 857. 9,6. 

 dicyphovora Loan. Ont. 



Peristenus dicyphovora Loan, 1975 (1974). Nat. Canad. 101: 851. 9,6. 

 dumestris Loan. Ont. Host: Phytocoris sp. 



Peristenus dumestris Loan, 1975 (1974). Nat. Canad. 101: 841. 9,6. 

 juniperinus Loan. Ont. Host: Dichroosytus tinctipennis Knight. 



Peristenus juniperinus Loan, 1975 (1974). Nat. Canad. 101: 844. 9,6. 

 juniperoides Loan. Ont. Host: Bolteria luteifrons Knight. 



Peristenus juniperoides Loan, 1975 (1974). Nat. Canad. 101: 844. 9,6. 

 laricinae Loan. Ont. 



Peristenus laricinae Loan, 1975 (1974). Nat. Canad. 101: 848. 9,6. 

 levifrons (Muesebeck). Colo. 



Euphorus levifrons Muesebeck, 1936. U. S. Dept. Agr., Misc. Pub. 241, p. 32. 6. 



lonicerae Loan. Ont. 



Peristenus lonicerae Loan, 1975 (1974). Nat. Canad. 101: 851. 9,6. 



nixoni Loan. Ont. Host: Neoborus canadensis Van Duzee. 



Peristemis nixojii Loan, 1975 (1974). Nat. Canad. 101: 837. 9. 

 pallipes (Curtis). Holarctic. Host: Adelphocoris lineolatus (Goeze), A. rapidus (Say), Calocoris 

 norvegicus (Gmelin), Chlamydatus sp., Labops hirtus Knight, Leptoptema dolobrata 

 (L.), Lygus elisus Van Duzee, L. hesperus Knight, L. lineolaris (P. de B.). 



Leiophron pallipes Curtis, 1833. Brit. Ent., v. 10, no. 476. 9,6. 



Microctonus barbiger Wesmael, 1835. Nouv. Mem. Acad. Sci. Bruxelles 9: 69. 9, 6. 



Euphorus mellipes Cresson, 1872. Canad. Ent. 4: 227. 6. 



Microctonus punctatus Provancher, 1883. Nat. Canad. 14: 17. 6. 



Euphorus tuberculifer Marshall, 1887. Ent. Soc. London, Trans. 1887: 57. 6. 



Brachistes noctumus Viereck, 1905. Kans. Acad. Sci., Trans. 19: 279. 6. 



Biology: Brindley, 1939. Roy. Ent. Soc. London, Proc, Ser. A: Gen. Ent. 14: 51-56. —Loan, 



1965 (1964). Ent. Soc. Ont., Proc. 95: 115-121. — Lim and Stewart, 1976. Canad. Ent. 108: 



815-821. 

 pini Loan. Ont. 



Peristetms pini Loan, 1975 (1974). Nat. Canad. 101: 840. 6. 

 plagiognathi (Loan). Ont. Host: Plagiognathus albonotatus Knight, P. comicola Knight. 



Leiophron plagiognathi Loan, 1966. Ohio Jour. Sci. 66: 89. 9, 6. 



