NO. 1202. GENERA OB' THE ENCYBTINJE—ASHMEAD. 411 



Habitat. — Florida: Georgiana. (Dr. Wittfield.) 

 Host. — Ehyncli. : Ceropsylla sideroxyli Riley. 



6. SIGNIPHORA BIFASCIATA Ashmead, new species. 



Female. — Length, about 0.60 mm. Black, witli two transverse yellow 

 bands on thorax above between the teguLne, or on the hind border of the 

 mesonotum, the other at the base of the scutellum, the latter also con- 

 tinued along the mesopleural suture; legs black or blackish, the knees 

 yellowish, the tarsi whitish; wings hyaline. 



Type.— Cat. l^o. 4775, U.S.N.M. 



Habitat.— West Indies : St. Vincent. (H. H. Smith.) 



7. SIGNIPHORA FLAVOPALLIATA Ashmead. 



Signiphora flavopalUata Ashmead, Orange Insects, 1880, p. 30. — Howard, Rep. 

 U. S. Dept. Agric, 1880-81, p. 371; Ins. Life, VI, 1894, p. 235.— Dalla Torre, 

 Cat. Hym., V, 1898, p. 217. 



Type.— Cat. No. 2801, U.S.lN .M. (Ashmead collection.) 

 Habitat. — Florida. 



Host. — Rhynch. : Aspidiotus eitricola Packard, A. cydonice Comstock, 

 Mytilaspis gloverii Packard, Aleyrodes sp. 



8. SIGNIPHORA OCCIDENTALIS Howard. 



Signiphora occidentalis Howard, Ins. Life, VI, 1894, p. 233, fig. 12, female and 

 male.— Dalla Torre, Cat. Hym., V, 1898, p. 217. 



Type.— Cat. I^To. 1473, TJ.S.N.M. 



Habitat. — California: San Gabriel. 



Sost— Rhynch. : Aspidiotus aurantii var. citrinus Coquillett. 



g. SIGNIPHORA MEXICANA Ashmead, new species. 



Female. — Length, about 0.45 mm. Head, thorax, antennae, and legs, 

 except tarsi, brownish-yellow; abdomen teneous black; tarsi white; 

 mesonotum margined with yellow at sides; wings hyaline. 



Type.— Cat. No. 4776, U.S.N.M. 



Habitat. — Mexico : San Luis. 



Host. — Rhynch. : Aspidiotus nerii Bouche. (Tyler Townsend.) 



ID. SIGNIPHORA RHIZOCOCCI Ashmead, new species. 



Female. — Length, about 0.50 mm. Head anteriorly, a broad band on 

 thorax between the wings and the sutures between abdominal segments, 

 more or less, ivory white; club of antennse and vertex faintly dusky; 

 anterior orbits narrowly, rest of body and a broad band on middle of 

 front wings, dark brown. 



Ti/jpe.— Cat. No. 4858, U.S.N.M. 



Habitat. — Brazil : Minas Geras. 



Host. — Rhynch. : EJiizococcus sp. on a composite plant. Bred by F. 

 Noack, July, 1897. One specimen. 



