ORYCTES. DYNASTES? 167 



ridged: antenna? pale. (L. 6 1.) Taken at Livermere, Suffolk ; during 

 a flood. 



Fam. 32. DYNASTIDJE MacLeay. 



(cexxxix. Oryctes Maxilla; unarmed : ant. with a 3-leaved plicatile club : 

 palpi with terminal joint oval : mand. with outer edge not dentate : tho. 

 retuse : body ovoid, convex, pilose. ) 



(ccxl. Dynastes ? Maxilla: toothed : ant. with an elongate-ovate 3-leaved 

 club : palpi with terminal joint ovate, acuminate : mand. denticulated on 

 the outer edge : tho. obtusely cornuted in front : body oblong, convex.) 



239 Oryctes Illiger. 

 (1332 nasicornis L. ii. 544. — Stu. D. F. i. pi. 4. — pi. 5. lar. Sf pup. — 

 Ste. M. iii. 217. — Chestnut: head with a single horn, elongate and 

 recurved in $ , short in $ ; thorax refuse in front, with an obscurely 3- 

 dentate keel in the <? ; elytra shining, finely punctate-striate. (L. 1 in. 

 1-3 1.) In old timber at Chelsea: probably imported.) 



240 Dynastes ? MacLeay, 

 (1333 inermis Martyn, pi. 4. f. 35. — Ste. M. iii. 217. — Pitchy-black, 

 smooth : clypeus dentate in front ; thorax convex, with scattered punc- 

 tures, anterior margin with a short obtuse horn in the middle, behind 

 which is an excavation ; elytra roughly striated, with remote punctures ; 

 body beneath, legs and antennae dull red. (L. 6h 1-) Locality unknown; 

 but not truly indigenous.) 



§ B. — Xylotrupes Hope. 



(1334 Juvencus Fab. E. i. 20 Oliv. i. pi. 16. f. 143. J : pi. 8. f. 66. $• 



— Ste, M. iii. 217. note. — Pitchy: clypeus rounded, with a transverse 

 ridge in the middle ; thorax rounded, punctate, black, with an impressed 

 point in the middle, and a short mucro beneath ; elytra crenate-striate. 

 (L. 7 1.) Introduced as British, in mistake for the foregoing insect.) 



Fam. 33. MELOLONTHIDiE MacLeay. 



ccxli. Serica Ant. 10-jointed ; club 3-leaved, very long and narrow in <? ; 

 body oblong-ovate, convex : palpi with terminal joint rather acute : legs 

 long and slender ; claws equal, bifid. 



ccxlii. Omaloplia Ant. 10-jointed; club 3-leaved, ovate: body short, 

 convex : palpi max. with terminal joint truncate : legs shortish ; claws 

 small, bifid. 



ccxliii. Rhisotrogus Ant. 9-jointed ; club 3-leaved, slender and elongate in 

 J : body very pilose : palpi max. with terminal joint dilated, acuminated 

 to the tip : elytra shorter than abdomen : anter. tibia entire in the $ , 

 dentate in § ; claws equal, simple. 



ccxliv. Melolontha Ant. 10-jointed; club 6-leaved and short in <j> , 

 7-leaved and considerably elongate in $ : body scaly : palpi max. with ter- 

 minal joint oval, rather acute : elytra shorter than abdomen : anter. tibiae 

 2-dentate in £ , 3-dentate in <j> ; claws equal, with a basal tooth. 



ccxlv. Phyllopertha Ant. 9-jointed ; club 3-leaved, slightly elongate in $ i 

 body ovate, pilose : palpi nearly filiform : clypeus not produced, transverse, 

 entire : tho. narrowed behind : claws unequal, of the 4 anter. feet, 1 

 slender and simple, the other bifid. 



ccxlvi. Anomala Ant. 9-jointed; club 3-leaved, slightly elongate in $ : body 

 ovate, glabrous: palpi almost filiform: clypeus not produced, truncate in 

 front, entire : tho. broad behind : claws unequal, of the 4 anter. feet, one 

 slender and simple, the other bifid. 



