LIST OF HOMOPTEROUS INSECTS. 287 



9. Lystra crocea, Mas. 



Fusca, fulvo et viridi varia, rufo guttata, suhtus crocea ; abdomen 

 nigrum, fiavo bivittatum ; opercula crocea ; pedes nigri, fiavo 

 fasciati, femora anteriora lutea ; aim anticcB fusca viridi ma- 

 culatce ; ahe posticce virides,margine fusca albo-guttala ornatce. 

 Body brown, hairy, with tawny dots : crown of the head greenish- 

 yellow, adorned with red dots, forming on its fore side a prominent 

 edge which is slightly concave and has an angle on each side ; face 

 greenish with red dots towards the fore border, having a longitudinal 

 ridge, and on each side an oblique ridge which proceeds from the 

 angle; there are two other ridges towards the epistoma which has a 

 spindle-shaped tawny stripe on its disk, and a green ridge along each 

 side : mouth black, extending to the tip of the abdomen : eyes pro- 

 minent: shield of the chest with a longitudinal ridge which is en- 

 closed in a greenish-yellow red-dotted stripe, the latter widens 

 over the disk of the scutcheon, and there it sends forth two tawny 

 branches on each side which is adorned with a tawny spot ; hind- 

 chest with transverse greenish-tawny ridges ; under side saffron- 

 colour ; abdomen black, obconical, a little shorter than the chest, 

 adorned above with saffron-coloured plates, and with a yellow stripe 

 along each side: legs black, hairy, furrowed; shanks and hind- 

 thighs adorned with yellow bands ; anterior thighs luteous with 

 black tips ; hind-shanks armed with spines : fore-wings brown, 

 adorned with numerous olive-green spots and dots, some of which 

 are confluent and form an oblique stripe ; they are scarce towards 

 the tips : hind-wings pale sea-green with a broad brown border 

 which includes a few white dots. Length of the body 6 lines ; of 

 the wings 23 lines. 

 a. Venezuela. From Mr. Dyson's collection. 



10. Lystra terebrifera, Mas. 



Nigra, fulvo varia, subtus rufo maculata ; abdomen fulvum ; pedes 

 nigri, femora antica basi rufa; alee fusca. 



Body black : crown of the head tawny, forming on its fore side 

 a prominent edge which is slightly concave and has an angle on 

 each side ; face tawny towards the fore border, having a longitudinal 

 ridge, and on each side an oblique ridge which proceeds from the 

 angle ; there are two other ridges towards the epistoma which has 

 also a longitudinal tawny ridge : mouth black, extending nearly to 

 the tip of the abdomen : eyes prominent : shield of the chest dull, 

 shghtly rugulose, with a longitudinal ridge which is enclosed in a 



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