244 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



Genus PLAGIOMERUS Crawford, p. 502 

 diaspidis Crawford. Fla., Tex. ; Mexico. Delete D. C. from range. 



*Genus TRECHNITES Thomson 

 (= Psylledontus Crawford of Catalog, pp. 502-503) 



Trechnites Thomson, 1875. Hym. Scand., v. 4, p. 118. 



Type : Metallon fuscitarsis Thomson. By monotypy. 

 Taxonomy: Hoffer, 1960. Mus. Nat. Pragae Acta Faun. Ent. 6: 109.— 

 Ferriere, 1961. Entomophaga 6: 39-40. 



insidiosus (Crawford). Calif. 



Taxonomy: Ferriere, 1961, loc. cit. supra, p. 41. 



Biology: Madsen, Westigard, and Sisson, 1963. Canad. Ent. 95: 842-843. 



Genus AGROMYZAPHAGUS Gahan, p. 503 



detrimentosus Gahan. Wis., Iowa, Utah, Calif. 



Genus Paraca/ocerinus Girault, p. 503 



Transf. to syn. under Tetracnemus Westwood ( = Tetracladia Howard of 

 Catalog, p. 478) ; transf. included spp. to Tetracnemus Westwood supra, not 

 Tetracnemus of Catalog, p. 477. 



Genus IXODIPHAGUS Howard, p. 503 



texanus Howard. Iowa, Mont. 



Taxonomy : Quaraishi, 1958. Amer. Midland Nat. 59 : 489-504. 



Genus HUNTERELLUS Howard, pp. 503-504 



hookeri Howard. Cosmopolitan. 



Taxonomy: Quaraishi, 1958, loc. cit. supra, pp. 489-504. 

 Biology: Klyushkina, 1958. Zool. Zhur. 37: 1561.— Ushakova, 1962. 

 Akad. Nauk Kazakh. SSR Inst. Zool. Trudy 16: 183. 



Genus PARALEUROCERUS Girault, p. 504 



*Gibberella Miller, 1961. Canad. Ent. 93: 494. N. syn. 



Type: Gibberella scutellata Miller. Orig. desig. 



bicoloripes Girault. N. S., Ont., N. H., Mass., Conn., Mich., Tex. Hosts: 

 Litliocolletis caryaefoliella (Clem.), L. lucetiella Clem., L. cincin- 

 natiella (Chamb.), L. spp. 



*GibbereUa scutellata Miller, 1961. Canad. Ent. 93: 496. 9, $. N. syn.; 

 types examined. 



Biology: Schaffner, 1959, loc. cit. supra, p. 87. 



Genus FORMICENCYRTUS Girault, p. 504 

 thoreauini Girault. Ariz. 



Genus COMPERIELLA Howard, pp. 504-505 



bif asciata Howard. Fla., Calif. ; Japan. 



Biology: Clausen, 1956, loc. cit. supra, pp. 96-97. — Flanders, 1956. Por- 

 tici Lab. Zool. Gen. e Agr. Bol. 33: 25-26.— Smith, 1957. Canad. 

 Ent. 89: 219-228.— Teran and DeBach, 1963. Rev. Agron. No- 

 roeste Arg. 4 : 5-23. 



Genus COCCIDOXENUS Crawford, p. 505 

 mexicanus Girault, Ariz. ; Mexico, West Indies. 

 nubilipennis (Girault). Va. 



Genus QUAYLEA Timberlake, p. 505 



whittieri (Girault). Calif .; Hawaii, Australia. 



Biologry: Clausen, 1956, loc. cit. supra, pp. 125-126. 



