NO. 1202. GENERA OF THE ENCYBTINJE—ASHME AD. 409 



I. ARRHENOPHAGUS CHIONASPIDIS Aurivillius. 



Arrhenopliagus cMonaspidis Aurivillius, Ent. Tidskr., IX, 1888, p. 146, pi. i 

 figs. 1-9.— Dalla Torre, Cat. Hym.,V, 1898, p. 266.— Howard, Proc. Eut. Soc. 

 Wash., IV, 1898, p. 135, fig. 9, male and female antennaj. 



Co-type.— Cat. ¥o. 4854, U.S.N.M. (Chris. Aurivillius collection.) 

 Habitat. — Europe; Forth America ; Asia; Oeylon; Australia. 

 Host. — Ehynch.: GMonaspis salicis Signoret, G. eugeniw Maskell, 



Diaspis rosce Bouchej D. ostreceformis Signoret, Fiorinia saprosmce Green, 



Aspidiotus nerii Bouche. 



SulDfanaily III. SIGlSriPI3:ORIlSr..aE. 



90. SIGNIPHORA Ashmead. 



1880. Signijphora Ashmead, Orange Insects, 1880, p. 30. 

 1894. Sif/niphora Howard, Insect Life, VI, p. 233. 



(Type, Signipliora flavopalUata Ashmead.) 



table of species. 



Body not wholly black 2 



Body wholly black or blue-black. 



Wiugs fuliginous on basal half; all tarsi white, the middle and anterior tibi?e 



brown, rest of legs black 0~) S- nigra Ashmead, new species. 



Wings fuscous with a hyaline band across the middle; legs black, a dot on 



knees and the tarsi whitish (2) S. misiraliensis Ashmead, new species. 



Wings hyaline, with a fuscous band across the middle; tarsi alone white. 



(3) S. dactylopii Ashmead, new species. 

 Wings entirely hyaline; all tarsi white.. .(4) S. noacli Ashmead, new species. 



2. Head, thorax, and most of the abdomen yellow 4 



Head anteriorly and a broad band between the wings ivory white 3 



Thorax black, with a single narrow yellowish-Avhite band across the base of the 



scutellum and continued at sides along the posterior margin of the meso- 

 pleura and the mesosternal suture ; wings hyaline. 



(5) S. iinifasciata Ashmead, new species. 

 Thorax black, with two transverse narrow bauds between the teguhe ; wings 



hyaline (Q) S. hifasciata Ashmead, new species. 



Head and abdomen blue-black; thorax, except the pronotum, bright yellow; 

 wings hyaline with a dusky band beneath the marginal vein. 



(7) S. fiavopalUaia Ashmead. 

 Head and thorax mostly brown. 

 Mesonotum lemon-yellow ; abdomen brown-black ; wings hyaline, with a broad 



fuscous band beneath tbe marginal vein (8) S. occklentaUs Howard. 



Mesonotum brown, the lateral mai'gins narrowly yellow ; abdomen teneous 

 black ; wings clear hyaline (9) S. mexicana Ashmead, new species. 



3. Head anteriorly, a broad band between wings including the metathorax, and 



sutures between abdominal segments, ivory white; wings hyaline with a 

 discoidal cloud beneath the marginal vein. 



(10) S. rMzococci Ashmead, new species. 



4. Body mostly yellow; thorax at anterior apex, band across base of abdomen, 



ovipositor, and band across middle of front wings dark brown. 

 Band at base of abdomen narrower, including hardly one-third of its length; 



club of antennaj entirely yellow (11) S. aleyrodis Ashmead, new sijecies. 



Band at base of abdomen including more than one-third of its length; club 



wholly yellow; no distinct band between the eyes. 



(12) S. coquilletU Ashmead, new species. 



