166 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 5«. 



luster; mesoscutum and posterior ma,rgin of pronotiim shining Sudan 

 brown (R.) appearing darker in some lights and with a slight greenish 

 luster; axillae and scutellum cadmium yellow (R.). the former some- 

 times more brownish; tegulae white, with the posterior margin brown; 

 metanotum and propodeum shining reddish black; underparts of 

 thorax about concolorous v/ith the head, or somewliat more yeUow, 

 the posterior part of mesopleura appearing slightly brovrnish ; center 

 of abdomen brownish yellow, the dorsum Sudan brown (R.), but 

 darker apically (in one specimen, paratype a, the basal half of the 

 dorsum is brownish yeUow like the center); ovipositor brownish 

 yellow, becoming blackish on the apical third. Antennal scape 

 brownish, the pedicel and funicle black, the club yellowish white. 

 Legs at base concolorous with underparts of thorax, the front tibiae 

 brownish, the front tarsi dark brown, middle tibiae dark brov/n with 

 apex more yellowish, the spur yellowish white, the middle tarsi 

 pale yellowish, the last one or two joints dark brown; hind legs with 

 the coxae concolorous with the posterior part of the mesopleura, the 

 femora shading into brownish on the apical half, the tibiae and tarsi 

 brownish black. Wings banded as in cockerelli except as noted 

 above. Pubescence of head, pronotum, and mesoscutum white, that 

 of scutellum black; the thick, appressed pubescence of metapleura 

 and hind coxae silvery white. 



Described from three females (type and paratypes n-b) roared 

 from larvae of H>jperaspis osculans LeConte, in colonies of Dactylopius 

 confusus Cockerell, Uplands, California, June and October, 1014 

 (C. P. Clausen), Clausen's No. 8. 



Type.— Csit. No. 22038, U.S.N.M. 



14. HOMALOTYLUS BKEVICAUDA, new species. 



Plate 40, fig. 13. 



Female.— DiSers from H. affinis in the following respects: Head 

 practically as wide as long, and almost perfectly circular in outline 

 when viewed from in front, tlie width of the vertex at the posterior 

 ocelli narrower than in affinis in comparison with the width of head 

 and a trifle less than one-half the distance between the lower corners 

 of eyes; ocelli in an equilateral triangle, or nearly so, the posterior 

 pair about equidistant from the occipital margin and the median 

 ocellus; eyes a little wider in proportion to their length than in 

 affinis, and widest at the middle. Antennal scape slightly dilated 

 on the lower, inner margin of the apical half; pedicel as long as the 

 first funicle joint, together with four-fifths of the second; first five 

 funicle joints practically equal in length, being very slightly longer 

 than wide, the sixth sliglitly shorter than tlie others and about as 

 long as wide, and no wider than the first; club indistinctly sutured, 

 the underside obliquely truncate to the apex of the first joint, the 



