46S ]\rr. T. D. A. Cockcrell on 



not impossible that tiicy came from other regions where they 

 have not yet been observed. 



Lichtensia lutea (Ckll.). 

 San Geronimo, Colima, Aug. 1, on " OrteguiUa," F.caa sp. 



Toumeyella mirahilis (CklL). 

 Cerro, Chilicote, Chihuahua, April 29, oa Prosopis. 



Tachardia larrece (Comst.). 



Plain at west base of Cerro Chilicote, Chihuahua, April 25, 

 on Larrea. 



Prosopophora mam'liotis, Townsend. 



Zapotlan, Jalisco, July 6, on Mimosa sp., and July 7 on 

 Leuccpnn sp. 



Boiled in KHO they exhibit a reddish-purple colour : 

 diameter of mouth-parts 165 /u,; caudal bristles about 70 /i 

 long ; antennae 8-jointed, very variable, one measured gave 

 (1) a mere ring, (2) 24, (3) 39, (4) 39, (5) 51, (G) 21, (7j 15, 



(8) 10- . . . 



I think this is likely to prove a synonym of P. prosopidi.<i, 



Maskell, but the description and figures given by Alaskell 



are unsatisfactory. 



Asferolecanium Townsendi^ sp, n. 



? . — On the twigs of the plant, not making pits. Scale 

 about 2 millira. diam., convex, circular, not carinate, or with 

 sometimes traces of a keel posteriorly ; colour bright opaque 

 lemon-yellow ; a slight irregular fringe of white rods, not all 

 in one plane. 



? . — Turns crimson on boiling in KHO : diameter of 

 mouth-parts about 120 //. ; skin crow^ded with figure-of-8 

 glands ; margin with a row of figure-of-8 glands (about 10 /i 

 diam. and 10 apart) and a more or less double row of simple 

 glands. 



^ . — Scale elongate, about 1^ millira. long and f broad; 

 similar to female scale in colour and texture, fringe more 

 regular and distinct. ^ (di'y> from under scale) reddish, 

 with a long caudal spike, as in the Diaspinse; wings broad 

 and ample, hea,d broad, thorax very broad. Length of caudal 

 spike 2L0 /a; breadtli of thorax 420; breadth of wing 495. 



Ilab. Platanas, Jalisco, on " Guasima," Aug, 4, 



