neiv CoccidiG from Mexico. 435 



TIab. Fvontera, Mexico, on twi^ of native tree in woo Id 

 {Toionsend). Div. Ent. 76U. 



There is only one adult female available for study, but 

 tlie species is very distinct, being intermediate between Ctro- 

 plastes and Vinsonia. 



Ceroplastes coloratus, sp. n. 



? . — Scale 4^ niillim. long, 3^ broad, 3 high ; wax irre- 

 gular, nodulose, not divided into plates, pale yellow ; dorsal 

 nucleus dark, not conspicuous. When the scales are getting 

 old the surface of the body is exposed in the subdorsal region. 

 Scales solitary on twigs. 



? . — Denuded of wax, 4 millira. long, 3 broad, 2^ high; 

 dark chestnut-brown ; dorsum convex, smooth, sides irregu- 

 larly wrinkled, with a pair of emarginate (stigniatal) promi- 

 nences close together. Caudal horn stout and distinct, not 

 very long. Boiled in liquor potass^ the insects give a tine 

 crimson colour. Skin feebly chitinized, transparent, with 

 round gland-spots on small brownish spots ; stigmatal and 

 anal areas and much of back very strongly chitinized, sienna- 

 brown j legs ordinary, tibia and tarsus of nearly equal length ; 

 antennee brownish, 8-segmented. 



Hah. Las Minas, Tabasco, Mexico, June 2, 1897, on 

 " Crucetilla," a small wild spiny shrub {Townsend). Div. 

 Ent. 7814. 



Nearest to C. irregularis. Peculiar for the crimson colour 

 it gives on boiling. 



Licldensia crescentice, sp. n. 



Ovisac, covering female, about 6 millira. long and 3^ broad, 

 loose in texture, but not adhering to objects tliat touch it ; on 

 the surface greyish white, with a distinct yellowish tinge ; 

 inclined to be longitudinally striated. 



$ . — Antennae pale yellowish, 8-segmented, rather slender ; 

 3 much longest, about as long as 4 + 5. Formula 3 (4 2 5) 1 

 (6 7 8); 2 with two long hairs near its end. Another shows 

 the antenna with segment 3 not nearly as long as 4 + 5, and 

 formula 3 4 (5 2 1) 6 8 7. Anal plates reddish brown, ob- 

 liquely pyriform ; skin with numerous small tubular glands ; 

 stigmatal spines in threes, all short, stout ; marginal spines 

 numerous, of moderate length, stout, closer together than the 

 length of one, often closer than half that length. Coxa and 

 trochanter each with a subapical bristle ; legs rather siiort ; 

 tarsus rather more than half length of tibia; claw short and 

 curved; claw-digitules stout, extending a little beyond claw, 



