48 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



Type : Giardinaia urinator Destef ani Perez. By monotypy. 

 Biology: Destefani Perez, loc. cit. supra, pp. 625-634. — Rimsky-Korsa- 

 kov, 1933. Handb. biol. Arbeitsmethoden, Abt. 9, Tail 7, p. 255. 



niger (Ashmead). Wis., Minn. 



Genus GNAPTODON Holiday, p. 153 



nepticulae (Rohwer). N. Y., Md. 



Genus OPIUS Wesmael, pp. 153-157 



*Tolhia Cameron, 1907. Linn. Soc. London Trans. (2) 12: 84. Syn. by 

 Baltazar, 1961. Philippine Jour. Sci. 90(3) : 392. 



Type : Tolbia scaevolae Cameron. By monotypy. 

 *Hexaulax Cameron, 1910. Soc. Ent. 25: 25. Syn. by Fischer, 1964. 

 Polskie Pismo Ent. 34: 209. 



Type : Hexaulax ruficeps Cameron. By monotypy. 

 *Eristernaulax Viereck, 1913. U. S. Natl. Mus. Proc. 46: 362. Syn. by 

 Fischer, 1963. Polskie Pismo Ent. 33: 272. 



Type: Erisiemaulax leucotaenia Viereck. By monotypy and 



orig. desig. 



Taxonomy. Fischer, 1957. Deut. Ent. Ztschr., N. F. 4: 332-358.— Fischer, 



1958. Mus. Civ. Stor. Nat. Geneva Ann. 70: 33-70, 245-304.— 



Fischer, 1958. Hist. Nat. Mus. Nat. Hungarici 50: 241-260.— 



Fischer, 1958. Naturh. Mus. Wien. Ann. 62: 210-219.— Fischer, 



1958. Acta Ent. Mus. Natl. Pragae 32: 295-316.— Fischer, 1958. 

 Beitr. z. Ent. 8: 189-212.— Fischer, 1959. Munchner Ent. Gesell. 

 Mitt. 49: 1-35.— Fischer, 1959. Mus. Civ. Stor. Nat. Genova Ann. 

 71: 145-161.— Fischer, 1959. Opuscula Ent. 24: 55-78.— Fischer, 



1959. Polskie Pismo Ent. 29: 519-542.— Fischer, 1959. Hist. Nat. 

 Mus. Nat. Hungarici 51: 419-423.— Fischer, 1960. Ann. Zool. 19: 

 33-112.— Fischer, 1962. Naturh. Mus. Wien Ann. 65: 117-131.— 

 Fischer, 1963. Acta Ent. Mus. Natl. Pragae 35: 197-242— Fischer, 

 1963. Polskie Pismo Ent. 33: 253-409. 



aberrans Viereck. Ont., S. C, Wis. 



Taxonomy: Fischer, 1964. Polskie Pismo Ent. 34: 464-466. 



*aciurae Fischer. Fla. Host: My olej a limata (Coq.). 



Opius aciurae Fisher, 1964. Polskie Pismo Ent. 34: 272. 9, $. 



*adductus Fischer. Calif. Host: Agromyza sp. 



Opius adductus Fischer, 1964. Polskie Pismo Ent. 34: 413. ?, $. 



*alachuaiius Fischer. Fla. (Gainesville). 



Opius alachuanus Fischer, 1964. Polskie Pismo Ent. 34: 379. ?. 



*aIconanus Fischer. Mich. (Alcona Co.). 



Opius alconanus Fischer, 196i. Polskie Pismo Ent. 34 : 416. $. 



alloeus Muesebeck. Pa., Mich., Wis. 



'''ainensis Fischer. N. Y., Kans., Iowa. 



Opius amensis Fischer, 1964. Polskie Pismo Ent. 34: 309. 9, $. 



amplus (Ashmead). Newfoundland, Que., Alta., B. C. Host: Agromyza albU 

 tdvszs IM^isT 

 Taxonomy: Fischer, 1964. Polskie Pismo Ent. 34: 351-352. 



*angustistriatus Fischer. S. C, N. Y. 



Opius angustistriatus Fischer, 1964. Polskie Pismo Ent. 34: 353. ?. 



*apertu8 Fischer. Mich. (Midland Co.). 



Opius apertus Fischer, 1964. Polskie Pismo Ent. 34: 417. $. 



apicalis Gahan. N. Y., Md., Conn., Wis., Kans., Calif. Host : Liriomyza sp. 

 Taxonomy: Fischer, 1964. Polskie Pismo Ent. 34: 372-373. 



*aquaticu8 Muesebeck, n. name. Eeplaces hydrelliae Muesebeck, preocc. 



