neio Coccldx froyn Mexico. 437 



Hab. S. Francisco del Peal, Tabasco, Mexico, July 1, 

 1897, on " Palo de gusano " (Townsend). Div. Ent. 7978. 



The species is badly attacked by a lepidopterous larva. 

 This is the second Pseudokermes, the first being from Brazil. 



Dtaspis phoradendriy sp. n. 



? . — Scale rather over 1^ millim. diam., circular, snow- 

 white, moderately convex ; exuvia3 somewhat to one side, 

 exposed, orange-brown to dark brown, second skin covered 

 with a layer of secretion in fresh specimens ; surface of first 

 skin cancellate. 



$ . — After boiling circular, colourless, the caudal end and 

 median lobes strongly tinged with yellowish brown ; small 

 sac-like structures at bases of lobes resembling those of Dias- 

 jjidiotus, a closely adjacent pair beneath median lobes, and 

 three or four other pairs at intervals along the margin ; median 

 lobes close together, low, evenly rounded, entire; second 

 and third lobes represented by extremely small, colourless, 

 pointed prominences ; spines large ; spine-like plates large, 

 two on each side especially large and broad, with fimbriated 

 ends ; anal orifice not very far from the hind end, far poste- 

 rior to the level of the postero-lateral glands ; five groups of 

 circumgenital glands, median of 11, antero-laterals 10, caudo- 

 laterals or postero- laterals 3 to 4. 



cJ. — Scale minute, of the usual form, with only a bare 

 indication of a median keel. 



Hab. — Cuautla, Mexico, May 31, 1897, on mistletoe, 

 doubtless Phoradendron {Koebele, 1749). Div. Ent. 7960. 



The female scale is more convex than that of D. visci^ 

 and a more opaque white; the exuviae are browner. 



Aulacasjns mi'randa, sp. n. 



? . — Scale 1;^ millim. diam._, flat, irregularly subcircular to 

 subtriangular, black, with a sort of whitish bloom, extreme 

 margin whitish ; exuviaj lateral, very pale yellowish. 



$ . — After boiling in liquor potassse pale yellow. Median 

 lobes wide apart, niiimtely serrated, striated, produced, but 

 not conspicuously, beyond the margin ; two spine-like plates 

 in the interval between them j second and third lobes each 

 divided into three small lobules ; spine-like plates, extending 

 considerably beyond the lobes, cephalad of the second and 

 third lobes ; fourth lobe represented by two prominences, the 

 second larger and serrate ; beyond this is a short, stout, spine- 

 like plate, then a low prominence, and beyond, at intervals, 

 four short, stout, spine-like plates. Five groups of circum- 



