No.i'ioj. GENERA OF THE ENCYBTIN^—ASHMEAB. 389 



I. HETERARTHRELLUS AUSTRALIENSIS Howard. 



EeferarihreUns australievsis Howaud, Proc. U. S. Nat. Mus., XXI, 18!)8, p. 239 

 female and male. 



Ti/pe.— Gat. No. 5032, U.S.N.M. 

 Hahitat. — New South Wales: Pararaetta. 



Host. — Coleop. : Scymnus fiavifrons Blackburn; Bhizohius dehilis 

 Blackburn. 



62. ASTYMACHUS Howard. 



1898. AsU/machus Howard, Proc. U. S. Nat. Mns., XXI, p. 238. 

 (Type, AsUjmaclius japonicus Howard.) 



1. ASTYMACHUS JAPONICUS Howard. 



Astymachus japonicus Howard, Proc. U. S. Nat. Mus., XXI, 1898, p. 239. 

 Type.—Cat. No. 5031, U.S.N.M. 

 Habitat. — Japan : Gifu. 

 Host. — Ehyncb.: Lecanium-like coccid on i5amZ>M6«. 



68. BLASTOTHRIX Mayr. 



1875. Blastothrix Mayr, Verb. Zool.-bot. Ges. Wien, XXV, p. 697. 



1875. Microterys Thomson (part), Hym. Skand., IV, p. 155 [Sec. A, p. 1,55]. 



(Type, Encrytits sericeus Dalmau.) 

 I. BLASTOTHRIX ADJUTABILIS Howard. 



Blasfofhrix adjuiaUUs Howard, Rep. U.S. Dept.Agric, 1880-81, p. 365, female; 

 pi XXIII, fig. 6.— Cresson, Syn. Hym. N. A., 1887, p. 239.— Dalla Torre, Cat. 

 Hym., V, 1898, p. 252. 



Type.— Cat. No. 2612, U.S.N.M. 

 Hahitat. — Florida; Virginia. 

 Host. — KLynch.: Lecanium sp. 



2. BLASTOTHRIX INCERTA Howard. 



Blastothrix incerta Howard, Rep. U. S. Dept. Agric, 1880-81, p. 366, male.— 

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

 252. 



Type— Oat. No. 2613, U.S.N.M. 

 Hahitat. — Florida. 

 Host. — Lecanium sp. 



3. BLASTOTHRIX INSOLITA Howard. 



Blaslotlirix insoUta Howard, Jonrn. Linn. Soc. Lond. Zool., XXVI, 1896, p. 150, 

 female.— Dalla Torre, Cat. Hym., V, 1898, p. 252. 

 Tyi)e in British Museum. 

 Hahitat. — West Indies: Grenada. 



4. BLASTOTHRIX SERICEA Dalman. 



Encrytus sericeus Dalman, Svensk. Vet.-Akad. Handl., XLI, 1820, p. 357, female. 

 Encrytus srricans Dalman, Svensk. Vet.-Akad. Handl., XLI, 1820, p. 363, male. 

 Encrytus sericeus Nees, Hym. Ichn. Affin. Monogr., II, 1834, p. 217, female. 



