ScuteUum small, elongate triangular, deeply asperated. 



Elytra long and narrow, Bubparallel, longer but scarcely broader than the head and 

 thorax, convex, shining, closely and deeply aspirated, sides nearly straight and 

 margined, extremities concolorons and much rounded, with the edge whit, . 



Abdomi a with four segments exposed, castaneous with the apical segment and part 



of the penultimate bright yellow, apex acuminate. 

 Legs long, yellow. 



Undt /• parti castaneous, mouth, coxa', and greater part of the venter bright yellow. 

 Differs from all other species in its narrow, convi . and Bubparallel form, strongly 



constricted thorax, dark castaneous colour, and deep sculpture. 

 Habitat, Central America. One specimen found near San Geronimo, Guatemala, 



by Mr. Champion. 



Gen. III. CHAMPIONELLA. Pi.. IX. 



ChampioneUa, Matthews, Trans. Am. Ent. Soc. xi. p. 118, 1884; Biol. Gent.-Amer. 



Col. ii. pt. i. p. 130, 1888. 



Corpus sat elongatum, convexum, capite atque pronoto angustis, elytris latioribus, 

 brevibus, abrupte truncatis. 



Caput prominens, sat magnum, parte gulari magna, convexa ; oculi parvi, retro- 

 positi ; antennse juxta oculos insertse. 



Antenna (PI. IX., fig. 7) 11-articulatffi ; 1 magno, elongato-ovali. apice truncato: 

 2 primo majori, alioqui fere simili ; 3-7 tenuibus, elongato-ovatis, Bibiipsis 

 paribus; 8 septimo parum majori ; H octavo majori, leviter incrassato ; 10 nono 

 multum majori, ad basim rotundato, antice in collo brevi producto ; 11 ovato, 

 obtuso, prsecedenti multum majori; tribus ultimis clavam moniliformem for- 

 mantibus atque setis brevibus verticillatis instructis. 



Palpi maxillare& (PI. IX., fig. 5, s) sat robusti, 4-articulati ; 1 longo, gracili; 2 

 recurvato, pyriformi, incrassato; 3 magno, subovali, apice abrupte truncato; 

 4 longo, aciculato, atque sinuato. 



Palpi labiates (PI. IX., fig. 6, m) modici, 3-articulati ; 1 robusto, suboblongo; 2 

 primo pariter longo, sed angustiori, antice parum dilatato, seta longa, 

 divergentis, ad apicem externe instructo ; 3 ceteris minori, ovato. 



Labrum (PI. IX., fig. 3) magnum, semiovale, ante medium constrictum atque setis 

 tribus longis instructum, antice rotundatum, in disco setarum ordine trans- 

 verso, curvato ornatum. 



Mandibula (PL IX., fig. 4) validae, acie concavata, integra, dorso convexo, 

 deplanato, minute costato. Lamella membranacea sat magna, rotundata. 

 Stipes robustus in stylo valido, incurvato, acuto, externe productus, atque dente 

 longo basali armatus. 



Mi, ill,, (PL l.\., fig. 5) validse, quasi] trilobata?, lobo exteriori longo, leviter incur- 

 vato ; i ah rim ; lio sat brevi, articulo basali parvo, apicali multum longiori, setis 

 longis ad apicem dense instructo ; interiori valido, sat brevi, dentibus tribus 

 validis, incurvatis, acutissimis ad apicem armato. Stipes latus, robustus. 



Mentum (PI. IX., tig. 6, j) oblongum, costis lateralibus tirmatum atque setis non- 

 nullis brevibus ad angulos anteriores instructum. 



Labium (PL IX., fig. 6, k) oblongum, sub mento ferine occultum, processibus para- 

 glossalibus rudimentarius. 



Lingua (PL IX., fig. 6, 1) modica, subconica, ad apicem truncata et quadridentata. 



Pronotum modicum, bransversum, lateribus rotundatis. 



Snil' limn modicum, triangulare. 



Elytra brevia, abrupte truncata, epipleuris latis, distinctis. 



Ah, hand examine 



Abdomen elongatum, segmentis quatuor, interdum quinque, corneis expositis, fere 

 pariter longis, apicali integro, sat acuto : alioqui non examinatum. 



