NO. 3202. GENEBA OF THE ENC rRTINJS—ASHMEAD. 399 



able, judging from the host, that the European JEncyrtns apJddivorus 

 Mayr (= U. athaas Girard), a species I have not seen, belongs here. 

 The North American species are: 



I. APHIDENCYRTUS APHIDIPHAGUS Ashmead. 



Encyrius apliidijihagus Ashmead, Bull. No. 14, U. S. Dept. Agric, Div. Ent., 1887, 

 p. 14, female. — Cresson, Syii. Hym. N. A., 1887, p. 312. — Dalla Tokre, Cat. 

 Hym., V, p. 255. 



Type.—Qiit. Nos. 2846, female, 4758, male, U, S. N. M. (Ashmead 

 collection.) 



Habitat. — Florida : Jacksonville. 



Host. — Ehynch. : Aphis hrassicw Linnaeus. 



2. APHIDENCYRTUS LACHNI Ashmead. 



Encyrtus lachni Ashmead, Tr. Am. Ent. See, XII, 1885, Proc, p. xvi, female. — 

 Cresson, Syn. Hym. N. A., 1887, p. 239.— Dalla Torre, Cat. Hym., V, p. 260. 



T2/i>e.— Oat. No. 4759, U.S.N.M. (Ashmead collection.) 



Habitat. — Florida. 



Host. — Ehynch.: Lachnus australis Ashmead. 



3. APHIDENCYRTUS MEGOURiE Ashmead. 



Encyrtus megoura'. Ashmead, Bull. No. 14, U. S. Dept. Agric.., Div. Eut., 1887, p. 

 19, female and male. — Cresson, Syn. Hym. N. A., 1887, p. 312. — Dalla Torre, 

 Cat. Hym., V, p. 260. 



Type.—Q-2it. No. 2851, U.S.N.M. (Ashmead collection.) 



Habitat. — Florida: Jacksonville. 



Host. — Ehynch. : Megoiira solani Thomas. 



4. APHIDENCYRTUS ROS.E Ashmead. 



'Slastothrix rosw Ashmead, Tr. Am. Ent. See, XIII, 1886, p. 130, female. — Cres- 

 son, Syn. Hym. N. A., 1887, p. 239.— Dalla Torre, Cat. Hym., V, 1898, p. 253. 



Type.— Cat. No. 4760, U.S.N.M. (Ashmead collection.) 



Habitat. — Florida. 



Host. — Ehynch. : Siphonophora rosce var. fioridw Ashmead. 



5. APHIDENCYRTUS SCHIZONEUR^ Ashmead. 



Encyrtus scliizoneura' Ashmead, Tr. Am. Ent. Soc., XII, 1885, Proc., p. xvi, female 

 and male. — Cresson, Syn. Hym. N. A., 1887, p. 239. — Dalla Torke, Cat. 

 Hym., V, p. 263. 



Tijpe.— Cat. No. 4761, U.S.N.M. (Ashmead collection.) 



Habitat. — Florida : Jacksonville. 



Host. — Ehynch.: Schigo7ieura aquatica Ashmes,d. 



6. APHIDENCYRTUS SIPHONOPHORA Ashmead. 



Encyrtus siphonoplwrw Ashmead, Tr. Am. Ent. Soc., XII, 1886, p. 131, female. — 

 Cresson, Syn. Hym. N. A., 1887, p. 239.— Dalla Torre, Cat. Hym., V, 1898, 

 p. 263. 



Type.— G2it. No. 4761, U.S.N.M. (Ashmead collection.) 



Habitat. — Florida: Jacksonville. 



Host. — Ehynch.: Siphonophora citrifolii Ashmead. 



