i) OUCH OPUS. 163 



18. popularis, Wd. mag. ii. 70. 15 (1818); Fin.; Mg. ; Mq. ; 

 Stn. ; Hal. ; Stg. ; Ztt. ungulalm, Fb. s. a. JEmo-viridis, antennis 

 luteis apice nigris, pedibm flams, tarsis apice nigris, femoribus posticis 

 pluri-spinosis ; Mas. tarsis intermediis articulis tertio et quarto dilatatis 

 atris, ultimo albo, alis postice emarginatis, hyposlomatefiavo; Fcern. hy- 

 postomate albido. Long. 2-^ ; alar. 4^ lin. 



Brassy-green* Face golden-yelloic in male, yellowish-white in female. 

 Antenna tawny yelloio, third joint blackish above and at the tip. 

 flings hyaline, with the hind edge sinuated in the male ; more obscure 

 hyaline in female. Black edge of lamellae narrow, somewhat jagged at 

 the tip. Legs and fore coxae yellow ; tarsi blackish, the base yellowish, 

 that is, the first two joints of the anterior tarsi, and the metatarsus of 

 the hind pair. Hind femora usually with three spines (in male), or two 

 (in female). In the male the third and fourth joints of the middle tarsi 

 are dilated and feathered, deep black, the last joint white. 



Pretty common and generally diffused. (E. S. I.) 



19. claviger, Stn. isis, xxviii. 56. 9 (1831 ) ; Stg. ; Ztt. Aureo-m- 

 ridis, hypostoniate albo, antennis nigris basi subtus luteis, pzdibus pallid^ 



Jlavis, tarsis apice posticis totis nigris, femoribus posterioribus plurispino- 

 sis ; Mas. tarsis anticis tibia sesquilongioribus, articulo ultimo patelli- 

 formi atro, femoribus anticis et alulis pallido-ciliatis, alis lineola costali 

 nigra. Long. 2-|; alar. 5 lin. 



Gilded-green. Face glossy white in male, dull white in female. An- 

 tenna Hack, lower edge of the first joint tawny yellow. Wings hyaline ; 

 the flexure of the subapical vein very faint ; in the male with a black 

 costal swelling. Fringe of alula pale in male, partly black in female. 

 Black edge of lamellae broad, and jagged at the tip. Leys and fore 

 coxa pale yellow, the latter with a grey spot at the base ; the tip of the 

 hind tibias, the hind tarsi, the middle pair except the metatarsus, and the 

 tip of the fore pair, black. Posterior thighs with three spines (rarely 

 two or four). In the male, the fore tarsus is half as long again as the 

 tibia, the joints decreasing in length to the fourth, the fifth joint about 

 as long as this, dilated, rounded, deep black ; the fore femora VIQ fringed 

 with pale hairs beneath towards the tip, and the black tip of the hind 

 tibia contains a pale streak. 



Rare. In Mr. Stephens' s collection. (E.) 



20. discifer, Stn. isis, xxviii. 57. 10 (1831); Stg.; Ztt. d. s.- 

 patellatus, Mg. ; Hal. confusus, Ztt. lap. Aureo-viridis, hypostomate 

 albo, antennis nigris basi subtus luteis, pedibus pallide flavis, coxis anticis 

 immaculatis, tarsis apice posticis totis nigris, alis vena suba.picali levis- 

 sime flexa ; Mas. tai'sis anticis tibia plus duplo longioribus, articulo 

 ultimo brevissimo dilatato atro basi puncto albo. Long. 2^; alar. 4-| lin. 



Gilded-green. Face glossy white in male, dull white in female. An- 

 tenna black, the loicer edge of the first joint tawny yellow. Wings 

 hyaline and rather narrow in male, broader and brownish in the female ; 



