SCOLOCHRUS. 129 
Hab. Muxico, Temax in North Yucatan (Gaumer). 
This is a large-sized and robust species of which one male and five female examples 
have been received. The entirely black and finely punctured thorax, the design of the 
elytra, and the regular and fine punctuation of the latter, separate S. yucatanus from 
the preceding species. 
19. Scolochrus duodecim-guttatus. (Tab. XXXVIII. fig. 12.) 
Dark brown, the thorax with the sides and three spots placed triangularly on the disc flavous; elytra strongly 
punctured, the brown portion interrupted by six flavous spots (3.2.1); pygidium, abdomen, and legs 
pale flavous. 
Length 2~22 lines. 
Head closely punctured throughout, flavous, more or Jess stained with brown, the middle with a dark impressed 
longitudinal line; antenne flavous, the apical joints darker; thorax more than twice as broad as long, 
narrowed from the middle to the apex, irregularly but distinctly punctured, the sides with an oblique 
depression, the lateral and anterior margins, a small spot at the middle, and two oblique elongate spots 
at the base (all sometimes nearly obsolete), yellow; scutellum fulvous, margined with brown; elytra 
with strongly punctured striz distinctly arranged in pairs, the fifth and sixth and the eighth and ninth 
rows interrupted before the middle, the dark portion consisting of narrow bands which surround the 
yellow spots, the six spots placed thus—one near the suture at the base, of elongate shape, its lower 
portion turned inwards, a similar one surrounding the shoulder and nearly meeting the sutural one at its 
apex, another, less elongate in shape, at the middle of the basal margin, two others of more quadrate 
shape, one across the suture, the other at the sides but not extending to the margin, and a transverse one 
at the apex; pygidium, abdomen, and legs pale flavous, the breast obscurely piceous and finely pubescent. 
Hab. Panama, David in Chiriqui (Champion). 
S. 12-guttatus, although evidently allied to S. 17-guttatus, Suffr., differs from it in 
the shape and position of the flavous elytral spots; of these latter the outer and inner 
of those at the base are subcrescentiform and bounded above by a similarly-shaped 
narrow brown band, which in its turn includes the third spot. The design of the 
thorax is in some specimens very obscure; that of the elytra, however, is constant in 
the nine specimens obtained. 
20. Scolochrus septemdecem-guttatus. (Tab. XXXVIII. fig. 13.) 
Scolochrus 17-guttatus, Suffr. Monogr. in Linn. Entom. xvi. p. 99'. 
Hab. Panama, David in Chiriqui (Champion).—VeEneEzvE.a 1. 
Numerous specimens of a Scolochrus obtained by Mr. Champion in Chiriqui agree 
so well in their main points with Suffrian’s description of 8, 17-guttatus that I must 
refer them to that species. There are, nevertheless, some slight differences present in 
all these examples: the bands which surround the flavous spots are not brown but 
black; the punctuation of the elytra, instead of being entirely obsolete below the 
middle (as stated by Suffrian), is visible nearly to the apex; and the underside and legs 
are not brown-yellow, but nearly black (the sides of the abdomen excepted). In one 
or two instances, however, these last-mentioned parts are paler, and it is possible that 
BIOL. CENTR.-AMER., Coleopt., Vol. VI. Pt. 1, Suppl., August 1889. g 
