LOBOPELTA. 55 



Key to the Species. 



A. Node of pedicel squamiform, compressed 

 longitudinally, its upper margin narrow, 

 obtuse. 



. Clypeus not dentate. 

 a'. Medial j 



distinctly longer than broad ........ L. ocellifera, p. 57. 



. 

 edial joints of flagellum of antennae 



b'. Medial joints of flagellum of antennae 



not longer than broad .............. L. binnana, p. 58. 



b. Clypeus trident-ate anteriorly ............ L. dentilobis^ p. 58. 



B. Node of pedicel not compressed longitudi- 

 nally, broader above, sub-cubical with ante- 

 rior' and posterior margins. 



a. Antennae remarkably thick ; joints of fla- 



gellum 3-6 much broader than long .... L. crassicorms, p. 59. 



b. Antennae not remarkably thick ; joints of 



flagellum all longer than broad. 

 '. Head more or less striate. 



a 2 . Basal abdominal segment coarsely 

 rugose, the punctures longitudinally 

 foveate ........................ L. aspera, p. 60. 



b 2 . Basal abdominal segment polished, 



shining. 

 a 3 . Clypeus not carinate. 



4 . 'Node of pedicel low, not higher 

 than metanotum, broader than 

 long ........................ L. kitteli, p. 60. 



b*. Node of pedicel higher than meta- 

 notum, only about as broad as 

 long ........................ L. altisquamiSf p. 61. 



b 3 . Clypeus more or less distinctly 



carinate or subcarinate. 



a*. Colour yellowish or reddish brown. L. ivood-masoni, p. 62. 

 ft 4 . Colour black. 



a 5 . Head strongly constricted pos- 

 teriorly, distinctly narrower 

 across the occiput than in 

 front .................... L. hodgsoni, p. 62. 



b s . Head not constricted poste- 

 riorly, as broad across the 

 occiput as in front. 

 a 6 . Striae on head close, irregu- 

 lar, and broken. Length 

 5-5-5 mm ............... L. striatula, p. 63. 



6. Striae on head regular, not 

 broken, often not very dis- 

 tinct and wanting on upper 

 part of head. Length over 

 6 mm. 

 a~. Clypeus acutely carinate 



down the middle ...... L. dtminuta, p. 61. 



b" 1 . Clypeus barely subcariuate. 

 In some specimens carina 

 entirely wanting ...... L. palliseri, p. 63. 



