18 



L. o. 0'60 nun. Late ovalis, sat depressa, mas. la te tlava, fern, castanea, 

 pronoto parvo, lateribus rotundatis, elytris brevibus, ped. atque ant. 

 robustis, tlavis pellucida. 



L. c. 0"45 mm. — Elongata, depressa, translucide flava. abdomine ob- 

 scurato, pronoto perbrevi, lateribus rotundatis, abdomine acumi- 

 nato, ped. atque ant. pallide flavis ...... rotundicollis. 



L. c. 0-85 mm. — Elongata, angusta, convexa, nitida, castanea, pronoto 

 parvo, basim versus fortiter contracto, elytris longis, angustis, 

 abdominis apice flavo, ped. atque ant. tlavis .... incerta. 



L. o. 1 mm. — Elongata, depressa, translucide castanea, pronoto magno. 

 hand constricto, elytris brevioribus, ped. atque ant. longis, ro- 

 bustis, laate flavis Lewisiana. 



Ptinella Championana. 



P. Championana, Matthews, Trans. Am. Ent. Soc. xi. p. 116, 1H84; Biol. Cent.-Amer. 

 Col. ii. pt. i. p. 128, pi. 3, fig. 22, 1888. 



L. c. T % lin. = 1-12 mm. — Elongato-ovaliB, depressa, nitida, translucide flava, 

 pilis hrcvissirnis aureis vestita ; capite magno, antice producto, minute et remote 

 tuberculato; oculis parvis prominentibus ; pronoto brevi, capite breviori, sed parum 

 latiori, ad medium latissimo, ad ba.sim fortiter et abrupte constrict", tuberculis 

 minutis, remotis, inter stitilsque glabris, nitidis, ornato, atque depressione lata in 

 diBco pleruroque notato, lateribus marginatis, antice valde rotundatis, margine 

 basali fere recta, angulis acutis, salientibus; elytris brevibus, capite atque pronoto 

 multum brevioribus, hand latioribus, prope media latissimis, ordinibus transversis, 

 remotis, modice asperatis, interstitiis glabris, nitidis, apicibus rotundatis ; abdomine 

 longo, obtuso, segmentis quinque apertis ; pedibus atque antennis modicis, flavis. 



Body elongate-oval, depressed, shining, translucid yellow, clothed with very short 

 golden hairs. 



Head large, produced in front, minutely and remotely tuberculate ; eyes small and 

 prominent; antennae moderate, yellow. 



Thorax short, shorter but rather broader than the head, widest at the middle, 

 strongly and abruptly constricted at the base, ornamented with minute remote 

 tubercles, interstices smooth and shining, generally with a broad depression on 

 the disc, sides margined and much rounded anteriorly, basal margin nearly 

 straight, with the angles acute and salient. 



Scutellum large, triangular, and deeph asperated. 



FJiitni short, much shorter and not broader than head and thorax, widest near the 

 middle, moderately asperated in reunite transverse rows, interstices smooth 

 and shining, sides moderately rounded, extremities rounded. 



. 1 lull ■an ii long, obtuse, with five segments exposed. 



Legs moderate, yellow. 



Under part* entirely testaceous. 



Differs from 1'. testacea in its short and abruptly constricted thorax, shorter legs 

 and antennae, and very short elytra. 



lliilntiit, Central America. Found in El Reposo, Guatemala, by Mr. Champion. 



Ptinella Lewisiana. 



P. Lewisiana, Matthews, Cist. Ent. iii. p. 78, 1884. 



L. c. , s , ; lin = 1 mm. — Elongata, sat depressa, nitidula, translucide castanea, 

 pilis griseis parce vestita; capite magno. lato, antice valde rotundato ; oculis parvis, 

 prominulis; pronoto magno, capite latiori, hand longiori, ad medium latissimo, 



