new Coccicla3y/owi Mexico. 435 



Hah. Frontera, Mexico, on twig of native tree in woods 

 (Townsetid). Div. Ent. 76U. 



Tliere is only one adult female available for study, but 

 the species is very distinct, being intermediate between Cero- 

 plastes and Vinsonia. 



CeropJastes cohratus, sp. n. 



? . — Scale 4^ millim. 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 millim. long, 3 broad, 2| high; 

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

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

 nences close together. Caudal horn stout and distinct, not 

 very long. Boiled in liquor potassee the insects give a line 

 crimson colour. Skin feebly chitinized, transparent, witli 

 round gland-spots on small brownish spots; stigmatal and 

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

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

 antennae brownish, 8-segmented. 



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

 " Crucctilla," a small wild spiny shvuh {Townsend). Div. 

 Ent. 7814. 



Nearest to G. irregularis. Peculiar for the crimson colour 

 it gives on boiling. 



Lichiensia crescentice, sp. n. 



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

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

 the surface greyish white, with a distinct yellowish tinge ; 

 inclined to be longitudinally striated. 



$ . — Antennee 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 witli 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 short ; 

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

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



