346 PHYTOPHAGA.—-SUPPLEMENT. 
} { . 
41. Lactiea hidalgoensis. | 7 
Pale flavous, the apical eight joints of the antenne fuscous; head and thorax impunctate, the transverse 
sulcus of the latter distinct ; elytra metallic bluish, extremely minutely punctured. 
Length 2 lines. 
Head pale fulvous on the vertex, impunctate, except for a few fine punctures near the eyes, witho { 
elevations or carina; the penultimate joint of the palpi robust; antenne long and slender, the third 
joint one-half longer than the second, the lower four joints pale, the others fuscous; thorax transverse, 
more than twice as broad as long, the basal sulcus deep and bounded at the sides by a longitudinal 
groove, the surface impunctate ; elytra with a longitudinal depression within the shoulders, scarcely 
perceptibly punctured ; underside and legs flavous ; the basal joint of the anterior tarsi strongly widened 
in the male. 
Hab. Mexico, Zacualtipan in Hidalgo (Hoge). 
ut frontal 
Differing from its allies in the pale head, thorax, underside, and legs, in connection 
with the transverse shape of the thorax and the colour and punctuation of the elytra. 
42. Lactica (?) varicornis, (Tab. XLIII. fig. 24.) 
Fulvous, the head black; antenne robust, the apical five joints black; thorax quadrate, with a deep trans- 
verse sulcus, impunctate ; elytra impunctate, each with a small black spot at the base and another near 
the apex; apex of the posterior femora black. 
Length 13 line. 
Head black, impunctate, the frontal elevations obsolete, the carina distinct; penultimate joint of the palpi 
rather robust ; antennz narrowly separated at their point of insertion, extending to about the middle of 
the elytra, all the joints robust, subtriangular, and elongate, the third joint one-half longer than the 
second, the following joints of nearly equal length, the lower six joints flavous, the others black ; thorax 
quadrate, the sides nearly straight, the posterior angles slightly produced outwards and each furnished 
with a single hair, the surface with a deep transverse sulcus at the base, bounded at the sides by a 
longitudinal groove, the disc impunctate; elytra entirely impunctate, fulvous, with a roundish spot at 
the shoulder and a more transversely shaped one near the apex ; underside and legs fulvous, the posterior 
femora black at the apex; the first joint of the posterior tarsi as long as the following two joints 
together; claws appendiculate ; anterior coxal cavities open. 
Hab, Mexico, Vera Cruz (H. H. Smith); Guatemaia, Paso Antonio (Champion). 
The robust antenne and quadrate thorax give this insect a different appearance from 
Lactica, in which genus I somewhat doubtfully include it. | 
CACOSCELIS (p. 302, and Suppl. p. 273). 
Cacoscelis varians (Suppl. p. 273). (Prasona nigripennis, Tab. XVII. fig. 22, 
var. ) 
The insect figured on Tab. XVII. fig. 22 is a variety of this species. 
9. Cacoscelis czeruleipennis. 
Fulvous, the antenne, tibie, and tarsi black; thorax minutely punctured, obsoletely grooved at the base ; 
scutellum piceous; elytra dark metallic blue, closely and finely punctured. 
Length 3 lines. 
Head impunctate, fulvous, the frontal elevations strongly raised; antenne extending to two-thirds the length 
of the elytra, black, the lower three joints more or less testaceous, the fourth joint slightly longer than 
the third ; thorax one-half broader than long, reddish-fulvous, shining, the sides straight at the base, 
