JOPPA. 199 



knees. The wings are as in J. geniculate except that there is no black fascia in the 

 middle of the hind ones. 



A stouter insect than J. geniculata, and readily known from it by the absence of 

 black from the metathorax, and of a black fascia in the hind wings. 



18. Joppa geniculata. 



Joppa geniculata, Cameron, Ent. Mo. Mag. xxi. p. 105 \ 



Nigro-violacea ; facie, metapleuris, abdominis segmentis 1-2, coxis, trochanteribus, femoribus tibiisque pro 



parte, flavis ; alis violaceis, albo-fasciatis. 

 Long. 16-18 millim. 



Bab. Guatemala, Cubilguitz x and Panima in Vera Paz (Champion) ; Panama, Volcan 

 de Chiriqui 2500 to 4000 feet 1 (Champion). 



Face almost impunctate ; mesonotum shining, minutely punctured, the lower part and 

 the sides of the pleurae punctured. Scutellum flat, the sides bordered, very obscurely 

 striated, and with a few punctures on the top. Base of the metanotum smooth and 

 shining, the rest punctured, striated and reticulated irregularly, the reticulations being 

 most conspicuous on the area next the upper median ; middle of the metanotum exca- 

 vated, but not very deeply. Petiole smooth, shining ; postpetiole broad, hollow in the 

 centre, longitudinally striated above ; the sides smooth, impunctate ; the second and 

 the basal three fourths of the third segment longitudinally striated, punctured at the 

 sides, the apical segment microscopically punctured. The inner and lower orbits of the 

 eyes, the face below the antennae, the mandibles, and the palpi are lemon-yellow ; but 

 there may be a large black mark below the antennae extending to the clypeus or near 

 to it. The sides of the collar are sometimes more or less yellow. The tibiae and 

 femora are entirely yellow in front ; the anterior ones are almost entirely black 

 behind ; the posterior knees and the apices of the tibiae only are black ; the anterior 

 tibiae are yellowish at the base ; the third abdominal segment at the sides is usually 

 yellow above. The metanotum is sometimes yellowish at the sides, and there may be 

 a yellow spot in the centre, or it may be entirely black. The anterior wings are usually 

 violaceous in front of the areolet and behind the stigma, but there is generally a long 

 fascia on the cellule ; the posterior ones have the apices and a narrow fascia in the 

 middle violaceous. 



19. Joppa chiriquensis. 



fflava ; antennis, vertice, mesonoto, seutello, genienlis poaticis tarsisque posterioribus, nigris ; alis hyalinis, 



bifasciatis, stigmate nigro. 

 Long. 12 millim. 



Hab. Panama, Volcan de Chiriqui 2500 to 3000 feet (Champion). 



Smooth, shining, impunctate. Metanotum obscurely and irregularly reticulated; 

 postpetiole and the second and third abdominal segments strongly longitudinally striated. 



