23 
pleura, whitish; mouth-parts also whitish. Antennal 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. Ring joints black, third funicle joint concolorous with pedicel; 
elub black at base and tip, with an orange stripe around the middle. 
All legs white, all femora with four black bands, all tibise 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, Pseudococcus yucca, and Ceroplastes sp. Guadalajara, 
Mexico: C. H. Tyler Townsend. 
Genus APHELINUS Dalman. 
E 
— ES 
SS Lee 
SSS SS 
Fia. 7.—Aphelinus diaspidis Howard—greatly enlarged (from Insect Life). 
Aphelinus Dalman, Sv. Akad. Handl., 1820, 181. 
Agonioneurus Westwood. Mag. Nat. Hist., vol. v1, 1833. 
Myina Nees. Wymenopterorum Ichneumonibus Affinium, 1854. 
Aphelinus Walker (in part). Monographia Chaleciditum, London, 18389. 
Coccobius Ratzeburg (in part). Ichneumonen der Forst-Insekten, vol. 11, 195, 
1852. 
Eriophilus Haldeman. Proc. Bost. Soc. Nat. Hist., vol. v1, 402, 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, 
_orisentirely hidden. The fringed apical cilia of the fore-wings is very 
short; the body is robust, eyes naked in the yellow species and hairy 
