140 CATALOGUE 01-' 



Female. Black, fusiform, extremely minutely punctured, smooth and 

 shining beneath. Head extending rather iieyond the prothorax ; sockets 

 of tbe antennae and fore border tawny. Eyes piceous or lutescent, wide 

 apart. Antenna; red, slender, black towards the base. Prothorax widening 

 from the fore border to the hind border, which is straight; fore border 

 slightly truncated, hardly vaulted; sides rounded, very slightly reflexed ; 

 hind border straight; a longitudinally elongated luteous spot near each 

 side. Hind angles of the metathorax very slightly elongated. Abdomen 

 piceous beneath; supra-anal lamina entire, keeled, compressed. Cerci 

 piceous, long, lanceolate, rather slender. Le>;s piceous, stout, moderately 

 long; femora with slender spines ; arolia small. Fore wings rudimentary, 

 keeled in the middle, reflexed on each side. Var. (3. — Tarsi red. Length 

 of the body 10 lines. 



a. Natal. From M. Gueinzius' collection, 



b. Natal. From Dr. Krauss' collection. 



47. Peeii'laneta semicincta. 



Mas at fcem. Nigra, fusiformis, convexa, snblus picea ; caput pro- 

 thoracem perpaullo superans, verlice margine antico palpisgue luleis ; 

 antenncE saturate rvfce ; thorax el abdomen basi viltis dvabus lalerali- 

 bus luteis ; metatlioracis anguli postici vix producti ; abdominis 

 spgmenta posteriore angulis posticis elongatis u cutis ; pedes breves, 

 robusti ; tarsi apices versus sapissime ruji. 



Male and female. Black, fusiform, convex, smooth, shining, piceous 

 beneath. Head extending a little beyond the prothorax ; vertex, fore border 

 and palpi luteous. Eyes piceous or livid, wide apart. Antennae dark red, 

 slender. A luteous stripe extending on each side from the fore border of 

 the prothorax to the second or third abdominal sej^ment. Prothorax 

 elongate, widening from the fore border to the hind border; fore border 

 not truncated; sides rounded; hind border straight. Hind angles of the 

 metathorax very slightly elongated. Hind angles of the posterior ab- 

 dominal segments successively more elongated and acute; supra-anal 

 lamina truncated, acute on each side. Cerci long, lanceolate. Legs 

 short, robust; femora with stout spines; tarsi red towards the tips. Fore 

 wings rudimentary, luteous, black along the hind border. Var. )3. — Tarsi 

 wholly black. Length of the body 9 — 10 lines. 



a — c. Navigator's Isle. Presented by the late Duke of Northumberland. 

 d. Formosa. Presented by Dr. CoUingwood, 



48. Peri PLANE TA inclusa. 



Mas. Aplera, nigra, subfusiformis ; caput prothoracem vix superans, 

 margine antico luteo ; thorax vittis duabus lateralibus setnihijalinis 

 pallide flavis nigro marginatis ; prothorax la tin sen I us ; mesolhoracis 

 et melathoracis anguli postici non producti; seginenta abdominalia 

 posteriora angulis posticis elongatis ucutis ; pfdes breves, crassi, 

 obscure rufescentes, femoribus nigricantibus. 



Male. Black, subfusiform, smooth, shining, somewhat broader towards 

 the tip of the abdomen. Head hardly extending beyond the prothorax; 

 fore border luteous. Eyes piceous wide apart. Prothorax, mesoihorax 



