52 Mr. F. Smith an new Species 



Ceropales lucjubris. 



Male. Length 3^ lines. Black, thinly covered with hoary 

 pile ; wings subhyaline and iridescent, faintly clouded at 

 their apex, with their nervures fuscous. Head : the clypeus 

 covered with silvery pubescence, and, as well as the palpi and 

 a minute spot on the cheeks, close to the base of the man- 

 dibles, white ; a yellowish-white spot on the scape of the 

 antenna?. Thorax : the posterior margin of the prothorax, a 

 minute spot on the scutellum, another on the mesothorax 

 between the wings, white ; a pale spot at the apex of the 

 anterior tibia? ; the anterior tarsi rufo-testaceous ; the posterior 

 legs nearly twice as long as the body. The apical segment 

 of the abdomen white. 



Hab. Santarem. 



Ceropales pedestris. 



Male. Length 3 lines. Black, the wings hyaline and 

 beautifully iridescent ; posterior legs more than twice the 

 length of the body, and the abdomen maculated with white. 

 Head rather wider than the thorax; the clypeus, labrum, 

 palpi, scape in front, first joint of the flagellum in front, and 

 the inner orbits of the eyes, as high as their sinus, white. 

 Thorax : the postscutellum, coxa? 'beneath, anterior trochanters 

 beneath, and the tibia? and tarsi entirely white ; the tibia? have 

 a narrow black line above ; the nervures of the wings black ; 

 the scutellum elevated into a pointed tubercle ; the meta- 

 thorax with a changeable silvery pile. Abdomen : each 

 segment with a lateral oblong macula ; the fifth with two 

 central ovate spots, the sixth with a large quadrate one, and 

 the seventh segment entirely white. 



Hab. Para. 



Ceropales irregularis. 



Male. Length 4^ lines. Head and thorax black and 

 shining ; abdomen and legs red ; the posterior legs twice the 

 length of the body. Head : the labrum, clypeus, face, as 

 high as the insertion of the antenna?, a line at the inner orbits 

 of the eyes, which widens and terminates in their sinus, and a 

 narrow line behind the eyes white ; the scape and first joint 

 of the antenna? white beneath. Thorax : the posterior margin 

 of the prothorax, the postscutellum, and anterior coxa? beneath 

 white; the metathorax with a deep central longitudinal in- 

 cision, and with its posterior lateral angles white and 

 covered with silvery pubescence ; wings hyaline, their 

 nervures black, with the apical margin of the anterior pair 

 slightly fuscous ; the posterior tarsi black. 



Hab. Par;'.. 



