IIJ2 [J^iy- ^^1^- 



varies very much in different species, sometimes corresponding; very 

 nearly to the upper plate, in other species being broadened into a large 

 tooth-like lobe at the apex. 



TABLE OF MALE CHARACTEES. 



1. Anterior and middle tarsi very strongly dilated L. silesiaca 



— Anterior and middle tarsi slightly or moderately dilated 2. 



2. Posterior tibiae almost straight or slightly curved or bent 3. 



— Posterior tibiae strongly bent or curved 5. 



3. Inner border of posterior tibiee evenly ciirved throughout 4. 



— Inner border of posterior tibiae slightly bent at the junction of middle and 



lower thirds ; under plate of posterior femora ending in a small lobe or 

 small right-angled tooth at apex... L. picea, L. furva, L. duhia, L. algirica 



4. Under plate of posterior femora simple... L. parvula, L. hadia, L. ciliaris 



— Under plate of posterior femora toothed at apex... 



L. lunicollis, L. flavicornis, L. scita 



5. Posterior tibiaj evenly curved throughovit or bent near middle 6. 



— Posterior tibiae with a double curve, abruptly bent near apex 8. 



6. Posterior femora lobed or toothed in middle, feebly so in small 



specimens L. cinnamomea, L. anglica, L. lucens 



— Posterior femora not lobed or toothed in middle 7. 



7. Under plate of posterior femora with a large, sharp, tooth-like lobe at apex 



...L. calcarata 



— Under plate of posterior femora simple, or with a very small blunt lobe at 



apex L. litura, L. ovalis, L. rugosa, L. macrop^is, L. hrunnea. 



8. Under plate of posterior femora ending in a small lobe at apex, somewhat 



corresponding to that at apex of iipper plate... 



L. stenocoryphe, L. curta, L. duhia. 



— Under plate of posterior femora simply rounded, but .slightly prominent... 



L. triepkei, L. pallens. 

 (L. clavico'niis not inchided) 



It seems advisable to give more detailed descriptions of several 

 species of the geniis, but some appear to me to be sufficiently well 

 known, and so are not included below. 



L. calcarata. — This is by far the commonest member of the genus, 

 and is extremely variable in size and general appearance. It is not, 

 however, difficult to recognise by the characters given in tlie table. 

 The club of the antennae varies from almost black to reddish testaceous, 

 with the outer side of each joint fuscous, this latter being perhaps the 

 commonest form. It must be remembered that the antennae are some- 

 times turned over in setting, so that the dark portion appears on the 

 inner side. Dr. Fleischer has described a form (ruficortils) with entirely 

 light antennae. Every British specimen I have examined has at least 

 some trace of fuscous on the club. Very small examples (length 2 mm.) 

 generally have the posterior border of the thorax very distinctly sinuate. 



