DOLICHOPUS. 163 



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

 Stn. ; Hal. ; Stg. ; Ztt. ungulatus, Fb. s. a. JEneo-viridis, antennis 

 luteis apice nigris, pedibus flavis, tarsis apice nigris, femoribm posticis 

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

 atris, ultimo albo, alls postice emarginatis, hypostomate fiavo ; Fcern. hy- 

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



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

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

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

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

 the tip. Legs and fore coxas 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-vi- 

 ridis, hypostomate albo, antennis nigris basi subtus luteis, pedibus pallide 



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 black, 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 alulae pale in male, partly black in female. 

 Black edge of lamella broad, and jagged at the tip. Legs and fore 

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

 hind tibiae, the hind tarsi, the middle pair except the metatarsus, and tJie 

 tip of tJie 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 we 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 fiavis, coxis anticis 

 immaculatis, tarsis apice posticis totis nigris, alis vena subapicali levis- 

 sime fiexa; Mas. tarsis 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 lower edge of the first joint tawny yellow. Wings 

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



