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pleura, whitish; mouth-parts also whitish. Antenna! scape silvery 
white, with two oblique black stripes below. Pedicel black at base, the 
black extending farther forward on the upper side; otherwise silvery 
white. King joints black, third funicle joint concolorous with pedicel; 
club black at base and tip, with an orange stripe around the middle. 
All legs white, all femora with four black bands, all tibia3 with three 
black bands, tibial spurs black. First and second dorsal segments of 
abdomen blackish, third and fourth yellow, fifth black. Mesoscutum 
and scutellum with many black dots; those on the scutellum number 
eight, arranged in two transverse rows; those in the anterior row far 
apart, and those in the posterior row close together. The two interior 
spots in the first row and the two outer spots in the second row are 
piliferous. Dorsum of abdomen black ; ovipositor black. 
Male. — Closely resembles female, differing only in the genitalia and 
the smaller size. 
Described from three females and two males reared from Lecanium 
hesperidum, Pseudocovcus yuccce, and Ceroplastes sp. Guadalajara, 
Mexico: C. H. Tyler Townsend. 
Genus APHELINUS Dalman. 
Fig. l.—Aphellaas diaspidis Howard— greatly enlarged (from Insect Life). 
Apheliniis Dalman. Sv. Akad. Handl., 1820, 181. 
Agonloneurus West wood. Mag. Nat. Hist., vol. vi, 1833. 
Myhia Nees. Hyinenopteroruin Ictmeomonilms Affininm, 1831. 
Aphelinus Walker (in part). Monographia Chalciditum, London, 1839. 
Coccobius Ratzebnrg (in part). Ichneumoneu der Forst-Insekten, vol. in, 195, 
1852. 
Eriophilus Haldeman. Proc. Bost. Soc. Nat. Hist., vol. VI, 102, 1860. 
In this old and well-known genus the oblique hairless line of the 
front wings is very distinct. The ovipositor is very slightly extruded, 
or is entirely hidden. The fringed apical cilia of the fore- wings is very 
short; the body is robust, eyes naked in the yellow species and hairy 
