of Coleopterous Larvce and Pupa;. 29 



Wood, many of which he reared. I am indebted to him for the spe- 

 cimens from which the drawings are made. 



Helops cceruleus, Fab. 

 Larva. Plate IV. fig. 3. 



Yellowish white. Head and tail brown. Body 12-jointed. 



Length 10 — 12 lines. 



Head rotundate, smooth. Antennce 4-jointed, the terminal joint 

 minute, within the apex of the third. Mandibles short and stout^ 

 excavated internally ; apex bifid. Maxilla elongate ; the blade 

 subquadrate, armed internally with spines. Maxillary jmljA 

 3-jointed, terminal joint conic ; basal short ; second moderate 

 and cylindrical. Labium elongate. Ligula transverse, trun- 

 cated anteriorly, and furnished with spinous hairs. Labial 

 palpi 2-jointed ; basal joint robust ; terminal conic. 



Body elongate, cylindric. Me^o^/iorao? transverse. Paratelum the 

 form of a truncated cone, (the apex joining the telum,) rugose, 

 and having two large irregular foveas, and two tubercles on the 

 disc. Telum corneous, rugose, and armed with two diverging 

 hook-like processes, bending forwards towards tlie paratelum. 

 The remaining joints of the body equal. 



3 a. The larva, magnified. 3 b. The upper side of the head. 3 c. Tlie an- 

 tenna. 3d. Mandible. 3 e. Maxilla. 3/. Labium. 3 g. Ligula. 

 3 h. The paratelum. 3 //. Side view of the same. 3 i. The telum. 



3 L Side view of the same. 



I reared several of these larvte some years back ; they are foiind in 

 the same situations as the larvae of the genus Cistela, and in many 

 respects resemble them. 



I believe they are also found in willow-trees. 



Mycetocharis scapularis, Gyll. 

 Larva. Plate V. fig. 3. 



Yellowish white. Head ochreous. Body elongate, cylindrical, 

 coriaceous, 12-jointed. 



Length 34- — 4 lines. 



Head smooth, rounded anteriorly, and rather straight at the sides. 

 Antenna 4-jointed, first and second joints short and cylindri- 

 cal ; third joint as long as the two basal, and slightly incras- 

 sated towards the apex ; terminal minute and slender. La- 

 brum transverse, rounded at the sides ; the anterior margin 

 slightly undulated, and sparingly furnished with hairs. Man- 

 dibles divided into two lobes, the external longer, and notched 

 at the apex. Maxilla soft and fleshy, elongate, the blade armed 

 with spines internally. Maxillary palptis short, 3-jointed, ter- 



