52 MALACODERMA — LAMPYRIDAE. 



Bros. 



A» Each elytron with ten rows of punctures or longitudmal 

 impressed lines. 



a. Thorax (except in middle) scarlet; length 3|- — 4| lines. 



Black ; margins of thorax and the elytra scarlet, latter 

 with nine ribs (alternately stronger and weaker), with 

 regular transverse wrinkles forming a network in the inter- 

 stices. Not uncommon. E. Aurora, Fab. 



b. Thorax black ; length 2 — 3 lines. 



Black ; elytra scarlet, with four feeble ribs, each inter- 

 stice with two rows of moderately large, closely placed 

 punctures separated by a very feeble rib. Third joint of 

 antennae double as long as second, their last two joints 

 brownish-yellow. Eare. E. minuta, Fab. 



J5, Each elytron with four strong ribs, interstices shewing 

 regular transverse ridges not intersected l)y any longi- 

 tudinal raised line. 



Black; elytra scarlet. Tliird joint of antennae not mucli 

 longer than second. L. 3 — 3| 1. Eare. E. af finis, Payk. 



LA3ir YBinAJU. 



A. Mandibles slender ; pro thoracic spiracles hidden. 



Both sexes without wings ; head covered by thorax ; 



elytra of male very short, in female absent. 



Phosphaenus, Cast. 



2?. Mandibles small, moderately broad ; prothoracic spi- 

 racles distinct. 



Male with wings and long elytra ; liead covered by 

 thorax ; female without either wings or elytra. 



Law/pyris, Geoffr. 



I*hosiyhaeuiis, 



Blackish-brown; last two abdominal segments whitish- 

 yellow (especially beneath) ; tibiae and tarsi brown ; pu- 

 bescence scanty. Antennae thick ; elytra of male shorter 

 than thorax. L. 3 — 3|- 1. Eare. P. hcmipterv.s, Geoffr. 



Laiiipyris, 



Male brownish-yellow; disc of thorax and elytra darker; 



