140. 
TRICHOPTERYGIDA. 
sinuatis transversis dispositis interstitiisque nitidis reticulatis ornato, lateribus marginatis, valde rotun- 
datis, margine basali fere recta, angulis, latis valde productis, late flavescentibus; elytris brevibus, quam 
caput atque pronotum brevioribus et haud latioribus, valde convexis, ad media latissimis, ordinibus trans- 
versis remotis sinuatis, modice asperatis, lateribus valde rotundatis, apicibus valde rotundatis ; pedibus 
atque antennis modicis, obscure flavis. Long. corp. 7% lin.=0°87 millim. 
Head large, very convex, rounded in front, shining, ornamented with minute distant tubercles ; eyes moderate, 
prominent; antenne and palpi moderate, dusky yellow. Zhoraw rather short, rather longer and much 
wider than the head, widest before the base, very convex, but much depressed posteriorly ; ornamented with 
‘minute tubercles in remote wavy rows, with the interstices reticulated and shining; sides much rounded 
and slightly margined; basal margin faintly sinuated, with the angles very broad, much produced, and 
broadly flavescent. Scutellum very large, broad, triangular, moderately asperate. lytra very short, 
convex, shorter and not wider than the head and thorax, widest at the middle, moderately asperate in 
transverse distant rows; sides much rounded; apex much rounded and narrowly pale. Abdomen consi- 
derably exserted, obtuse. Zegs moderate, dark yellow. Underparts castaneous, with the mouth and 
coxee paler. 
Hab. GuateMA.a, Totonicapam 10,500 feet (Champion 1). 
Differs from the other species of the genus in its short and convex form, rounded 
sides and depressed base of the thorax, short rounded elytra, and in sculpture. 
14. Trichopteryx minor. 
Trichopteryx minor, Matth. Trans. Am. Ent. Soc. xi. p. 184°. 
Oblongo-ovalis, convexa, sat nitida, nigra, pilis flavescentibus dense vestita ; capite modico ; oculis haud promi- 
nentibus ; pronoto sat longo, prope medium latiore, postice haud dilatato, tuberculis magnis irregulariter 
dispositis interstitiisque nitidis leviter reticulatis ornato, lateribus marginatis modice rotundatis, seta 
valida erecta ante media utrinque armatis, margine basali reflexa, valde sinuata, angulis longe productis ; 
elytris sat brevibus, fere quadratis, lateribus vix rotundatis, ordinibus transversis profunde asperatis ; 
antennis longis, flavis ; pedibus robustis, lete flavis. Long. corp. 74 lin.=0°87 millim. 
Head moderate, produced in front, shining, with a few minute tubercles irregularly placed; eyes moderate, not 
prominent; antenne very long and slender, dusky yellow. Thorax almost quadrate, longer and rather 
wider than the head, widest near the middle; closely covered with large tubercles in irregular wavy rows, 
with the interstices shining and faintly reticulated ; sides margined and moderately rounded, each with a 
strong erect seta before the middle; basal margin reflexed and rather deeply sinuated, with the angles 
much produced and paler. Scutellum large, triangular, deeply and closely asperate. Hlytra rather short, 
quadrate, with the sides slightly rounded, brownish in tint, not longer or wider than the head and thorax, 
deeply and closely asperate in transverse rows, with a strong erect seta on each near the shoulder and 
another near the apex ; the apex broad, much rounded, paler, with the extreme edge white. Abdomen 
rather long, fuscous, with the apex of the last segment bidentate. Legs large, robust, bright yellow. 
Underparts black, with the mouth and coxe bright yellow. 
Hab. Guatemata, El Tumbador, San Gerénimo (Champion '). 
Rather common. Differs from T. grandicollis in its much smaller size, oblong form, 
and deeper sculpture. 
15. Trichopteryx brevior. 
Trichopteryx brevior, Matth. Trans. Am. Ent. Soc. xi. p- 186°. 
Oblonga, modice convexa, fusco-nigra, elytris dilutioribus, sat nitida, pilis brevibus griseis vestita ; capite magno, 
antice producto ; oculis magnis, sat prominentibus; pronoto modico, sat dilatato, prope basin latiore, tuber- 
