2 BRITISH COLE01TERA. 



§ 2. UYPOPIIAGA Stephens. 



Mouth with 4 palpi, 2 labial and 2 maxillary ; the inner maxillary being 

 represented by the outer lobe of the maxilla, which is generally dilated, 

 and sometimes jointed, but rarely palpiform : ant. clavate (clubbed), or 

 gradually thickening from the base to the apex : tarsi mostly with 5 joints ; 

 in some cases the posterior pair are only 4-jointed. 



Stirps 1. Philiiydrida. MacLeay. 



Maud, small, rarely exserted : max. palpi usually 4-jointed : max. with 

 the outer lobe generally jointed : body mostly short, convex, or rounded on 

 the back : elytra covering the abdomen : hinder legs sometimes formed for 

 swimming, but in the less typical families for walking : ant. tibiae, often 

 spinose. 



Stirps 2. Necrophaga MacLeay. 



Mand. generally exserted and elongate : max. palpi with the basal joint 

 minute, or wanting, thence appearing 3-jointed : max. with a double 

 membranaceous process, the outer lobe often slender, somewhat linear ; 

 rarely jointed : body more or less elongate, depressed ; elytra frequently 

 abbreviated : leys all formed for walking ; anter. tibice simple. 



Stirps 3. Brachelytra MacLeay. 

 Mand. strong, seldom exserted : palpi generally filiform or subulated, rarely 

 clavate ; maxillary 4-jointed, labial 3-jointed ; their terminal joint some- 

 times extremely minute or evanescent : max. with the tip often bifid, 

 the outer lobe longest, acute, palpiform : body very long and narrow, with 

 2 vesicles at the tip : elytra considerably abbreviated, rarely covering half 

 of the abdomen : legs formed for walking, anterior pair with elongate 

 coxa? : ant. usually moniliform, slightly thickened at the tip. 



§ 3. VARICORNES Stephens. 

 Palpi 4, 2 labial and 2 maxillary, the inner maxillary pair wanting : head 

 not produced into a rostrum in front : tarsi almost universally 5-jointed 

 ant. various. 



Stirps 1. Helocera Dumeril. 

 Ant. more or less clavate, the tip sometimes rather abruptly slender, the 

 joints unequal, the basal joint occasionally half the entire length : tho. 

 often with a groove beneath to receive the antenna? : legs more or less com- 

 pressed, capable of being closely applied to the body, on the sides of which 

 are usually excavations for receiving them : sternum often produced in 

 front and concealing the mouth beneath : body more or less globose and 

 convex, or quadrate and depressed. 



Stirps 2. Lamellicornes Latreille. 

 Ant. clavate, the club composed of 3, or more, lamellae, or pectinations, the 

 basal joint sometimes half the entire length : legs slender and elongate, or 

 shortish and stout, mostly formed for digging : tibice externally dentate and 

 spinulose. 



Stirps 3. Sternoxi LMtrcille. 

 Ant. filiform, rarely thickened at the tip ; pectinated or serrated, or with the 

 joints towards the apex slightly produced : sterman armed with a spine, 

 the tip of which 's received into a cavity in the middle of the breast : body 

 often elliptic, conic, or trigonate, sometimes elongate : head short, deeply 

 inserted in the thorax, which has the hinder angles acute : legs short, 

 capable of being closely applied to the body. 



