156 



Corylophodes castaneus. 



C. castaneus, ilatthews, Biol. Cent.-Amer. Col. ii. pt. i. p. 121, 1888. 



L c. "^r lin. = 1 mm. — Late ovatus, postice attenuatus, validissime convexus, 

 nitidvis, profunde et distincte punctatiis, rufo-castaneus, margine anteriori pronoti 

 pellucida ; pnmoto parvo, antice ovaliter rotundato, rainutissime [luuctato, inter- 

 stitiis giabriH, nitidissimis, margine anteriori rellexii, pellucida, margine basali 

 Bcutellum versus valde prodiicta, angulis sat obtusis ; f7_(/''"'« pi'onoto latioribus, 

 BBsqui longiorihus, ante media latissimis, postice sat attenuatis, validissime con- 

 vexis, profunde punctatis, interstitiis leviter alutaeeis, nitidis, lateribus marginatis ; 

 pedibuB atque antennis pallide flavis. 



B(mI!/ broadly ovate, attenuated posteriorly, exceedingly convex, shining, deeply 

 and distinctly punctured, rufo-castaneous, with the anterior margin of the 

 thorax transparent. 



Head flavescent, eyes moderate ; antennae pale j'ellow. 



Thorax small, ovally rounded in front, very minutely punctured, with the inter- 

 stices smooth and shining, anterior margin reliexed and transparent, basal 

 margin much produced towards the scutellum, with the angles rather obtuse. 



Scuti'llmii moderate, obtusely triangular. 



Kli/tra broader and one-half longer than the thorax, widest before the middle, 

 rather attenuated posteriorly, exceedingly convex, deeply punctured, with the 

 interstices shining and faintly alutaceous, sides margined. 



Legs moderate, pale yellow. 



Under parts testaceous. 



Differa from others in its narrower and more ovate form, deeper sculpture, and 

 castaneous colour. 



Habitat, Central America. Found near San Juan, Vera Paz, by Mr. Champion. 



Corylophodes rotundas. 



(CoryUiplius) rotundus. Sharp, Trans. R. Dublin Soc. (2) iii. p. 127, 1885. 



L. c. -/i; lin. = 112 mm. — Brevis, hemisphericus, nitidissimus, indistincte 

 punctatus, piceo-castaneus, margine anteriori i)ronoti dilutiori ; prunoto sat magno, 

 semicirculari, leviter punctato, interstitiis glabris, nitidis, margine anteriori late 

 reflexa, pallide pellucida, margine basali vix sinuata, angulis acutis, parum pro- 

 ductis ; elytris sat brevibus, pronoto sesqui longiorihus, vix latioribus, sat fortiter 

 punctatis, interstitiis glabris, nitidissimis, sutura atque apicibus parum dilutioribus, 

 lateribus marginatis ; pygidio exserto, rufo-castaneo : pedibus valde robustis, rufo- 

 ferrugineis ; antennis valde robustis, Irete flavis. 



Head large, yellow ; eyes black ; antennte very robust, bright yellow. 



Thorax rather large, semicircular, rather faintly punctured, with the interstices 



smooth and shining, anterior margin broadly reflexed, pellucid-white, basal 



margin very faintly sinuated, with the angles acute and slightly produced. 

 Scutellum rather large, obtusely triangular, rufo-testaceous, with a large puncture 



near each basal angle. 

 Eljitra rather short, one-half longer, but scarcely broader than the thorax, rather 



strongly punctured, with the interstices smooth and very shining, suture and 



apex paler, sides margined. 

 Abdomen with the pygidium exposed, rufo-castaneous. 

 Lajs very robust, rufo- ferruginous. 

 Under jiartu castaneous, venter paler. 

 DiflerH from other species in the larger size, and acute posterior angles of its thorax, . 



