Genera insectorum

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IO I

Pl. GENUE EUM ORPHUS 4 EAE R

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COLEOPTER A

characters : Lotig ovat to si iborbicular in Oulline, moderately convex but with the elytra Someti ines elevate i togΘlhei into a Cone. Prono tum transverSe. iis marginal areas so me hat flat tene l. iis di SC eveni3 and n Ot greatly convex, front an gles acute ly rounded but litile produced, lain i an gles rightto spinitor in produce i, ba Sal and laterat sulci plain. Antennae long. Stender, joint 3 elonga te joinis 9-1 I forming a broad, flat club. Mandi bies with the apex chisel-shaped and without an internal tooth. Maxillary palps with last j oint fusi forna. Labial palps with last j Oint tranSVerse. Pro Sternum moderately broad, surpassing the front Co Xae. Mesosternum AS long aS bro ad, rought y Pentagonal. Meta Sternum With posterior m rginal groove angulate at mi' dies. The elytra are hight y variable and it is the differe iaces in tho se structu res which give tho the genus Such a Protean a spe Ct. Fundamental ly the elytra are long - ovat but expansion of the laterat 1Dargins Produces an ovat aspeCt and in Severat spe Cie Sthe e X Pan Sion is so great that the elytra appear almost Circular. In these species the elytra of the malesare eleva ted together at abo ut m id tength into a Conical promine iace. Other externat Sextial features of the males are the toothing of the front or middie. or both; pati s of tibiar. and excision of the last abdominal sternite. In spito of this considerable differe iaces in forna among the species they form a Compa Ct grou P, notable es pecialty ior the lack of an internal tooth oti the mandi bies. The usual Color Patiern, t Ob ellON SPotS On ea Ch olytron, is stlown by ali but two of the known species. This genus is the largestand moSt Characteristic of the Indo-malay an endo myChid S. Gerio type : Exo his quadrigulsatus illiger.

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Coch in China.

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37. E. opaci collis Amow, Fauna Er. India; ColeoP. Erotyl. et C. P. ZOI

Ton in .

PhilippineS.

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Tentis serim; ASSam; Hurma;

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COLEOPTER A

22. GENUE HRACHYTHYCHERUS ARROis

S. India; Formosa ZS. India.

2B. GENUA ET ICTO MELA GOR HAM

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FAM. ENDO MYCII ID E

2α. GENUS SPATHO ME UES GERET IECHER

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COLEOPTER A

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FAM. ENDO MYCII ID A

2 T. GENUA AMPHISTERNUS GERMAN

character g loderate ly elongate in forna, rather hight y Convex. Prono tum trans Vel Se, it Stroni angle S ProdUCed, Some timeS round ly, in Some Species spini forna. II in t an gles right. Si des of pro notum sonae vitat flati ened and thici ly ma igin ed. basal and laterat sulci de oli, the lalter shori. Discol pro notum usuali 3 illi a median groove. Elytra with humeri prominent, thes fides sub Paralloi, roundod bellino or, in a se species With apeX Spini forna. In a few species the et 3 ira are sim Ply orna mented with flightly eleva ted spois, in others with verruculae and carinae. xvhile in the most derived fornas the elytra are armed with two to severat long spines. These elutral structu res do not exhibit differen cesin the two sexes so iar a S reported. Antennae long and Stender, joint 3 very elongate, jo in t 0-II forming

Cacodet non lucifer Thomson, Archi es Ent. ' Ol. I. P. I, I 85 j.

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CO EOPTER A