64 



Trichopteryx brevior. 



T. brevior, Matthews, Trans. Am. I'.nt. Sue xi. p. 186, 1884; Biol. Cent.-Amer. 



Col. ii. pt. i. i». 140, 1888. 



L. c. /J; lin. = 0"75 nun. — Oblonga, modice convexa, nitida, pilis fulvis vestita ; 

 capite magno, hit", antice producto, tuberculis minutis ornato; oculia magniB, baud 

 prominentibus ; pronoto modico, fere quadrato, capite sat longiori, baud latiori, 

 prope medium latissimo, tuberculis paryis, ordinibus siuuatis dispositis, intersti- 

 t i i ~< j iii nitidis, retieulatis, ornato, lateribus inarginatis, margine basali leviter 

 a 1 1 leviter sinuata, angulia acutis, valde productis, dilutioribus; elytrti 

 centibus, oblongis, capite atipie pronoto baud longioribua aut latioribus, 

 ordinibus transversa leviter asperatis, lateribus fere rectis, apicibus latis, ro- 

 tundatis, dilutioribus, extremis albidis; abdomine modice exserto, piceo ; pedibus 

 robustis, atque antennis lsete flavis. 



Setis erectis prope medium pronoti, atque ad bumeros et apices versus 

 elyfcrorum utrinque instructa. 



moderately convex, shining, clothed with fulvous hair. 



Head large and broad, produced in Eront, ornamented with minute tubercles ; eyes 

 large, not prominent: antennae moderate, bright yellow. 



Thorax moderate, nearly quadrate, rather longer not broader than the head, widest 

 near the middle, ornamented with small tubercles, in transverse sinuated rows, 

 interstices reticulated and shining, sides margined, basal margin slightly re- 

 flexed ami slightly sinuated, with the angles acute, much produced, and pale, 

 furnished with an erect seta on each side near the middle. 



Scutellum large, triangular, closely asperate. 



Elytra fuscescent, oblong, not longer or broader than the head and thorax, with an 

 i reel 3i i:i on each side near the shoulders, and another towards the apex, 

 slightly asperated in transverse rows, sides nearly straight, extremities broad, 

 rounded, and pale, with the edge white. 



Milium, it moderately exserted, piceous. 



Legs robust, bright yellow. 



Under farts black, rather convex, with the posterior margin of the metasternum 

 iiiid apex of the venter yellow. 



Differs from T. diffinis in its smaller size, much fainter sculpture, and shorter 



I l\ I r;i. 



Habitat, Central America. Found in Guatemala by Mr. Champion. 



Trichopteryx parallelopipeda. 

 T. parallelopipeda, Matthews, Cist. Ent. ii. p. 175, 1877. 



L. c. /V, lin. = 1 mm. — Oblonga, convexa, sat nitida, nigra, pilis sat longis, 

 flavis vestita; capite lato, tuberculis parvis, interstitiisque retieulatis, ornato; 

 oculis modicis, haud prominentibus ; pronoto modico, valde convexo, capite longiori 

 et latiori, ad basim latissimo, tuberculis modicis, ordinibus irregularibus confertim 



ositis, interstitiisque profunde retieulatis, ornato, lateribus parum rotundatis, 

 leviter marginatis, margine basali depressa, leviter sinnata, angulis productis, 

 dilutioribus; elytris oblongis, baud attenuates, capite atque pronoto longioribus, 

 iribus, ordinibus sinuatis confertim asperatis, interstitiis profunde retieu- 

 latis, lateribus fere rectis, leviter marginatis, apicibus latis, rotundatis, anguste 

 dilutioribus, abdomine parum exserto; pedibus modicis, laste ila\ is ; antennis sat 

 brevibus, piceo-nigris, articulo octavo parvo. 



Body oblong, convex, rather shining, black, clothed with rather long yellow hair. 

 Hi -, ul broad, ornamented with small tubercles, with the interstices reticulated ; eyes 



