of Brazilian Pompilide. 269 
Genus Crropatss, Latr. 
1. Ceropales agilis. 
C. niger, capitis lateribus, prothoracis margine postico maculaque scu- 
telli, postscutelli et angulorum lateralium metathoracis albis; pedibus 
abdomineque ferrugineis ; alis hyalinis. 
Female. Length 33 lines. Black; the inner orbits of the eyes, the sides of 
the clypeus broadly, and the outer orbits of the eyes narrowly, white; a 
line on the scape in front, and the basal joint of the flagellum in front, 
white; the head punctured before the ocelli, being smooth and shining 
behind. Thorax: the posterior margin of the prothorax, the tubercles, 
a spot on the scutellum, postscutellum, and posterior lateral angles of 
the metathorax white; the mesothorax with scattered punctures, its 
anterior margin with a series of very short fine strie ; the sides of the 
metathorax with silvery pile; the legs ferruginous, the posterior pair 
elongate, the coxe black ; the apical joints of the intermediate and poste- 
rior tarsi fuscous; the wings hyaline, the nervures black. Abdomen 
ferruginous, with the base fuscous above. 
Hab. Mexico. In the National Collection. 
2. Ceropales luctuosus. 
C. niger, labro, clypeo, palpis orbitaque interna oculorum scapoque antice 
albis; thorace punctato, metathorace argentato-sericato; coxis femori- 
busque anticis subtus, tarsis anticis et intermediis, tibiarum apicibus 
albis ; pedibus posticjis elongatis ; abdomine nitido, lateribus albo macu- 
latis. 
Male. Length 3% lines. Jet-black, the abdomen shining; the labrum, 
clypeus, palpi, face below the insertion of the antenne, the inner orbits 
of the eyes, the scape and basal joint of the flagellum in front white. 
The thorax finely punctured above with large, deep, distant punctures ; 
a minute spot on each side at the extremity of the posterior margin of 
the prothorax and a spot on the postscutellum white; the scutellum 
elevated; the metathorax clothed above with a silky silvery pubes- 
cence; the coxee, anterior trochanters, and femora beneath white; the 
anterior and intermediate tarsi, the anterior tibize in front, and the 
intermediate pair at their base, and apex in front white, the claw-joint 
of the tarsi black; the posterior legs elongate ; the wings hyaline, their 
extreme apex fuscous, the nervures black. The abdomen with a row 
of oblong spots at the sides, and a double row beneath, white. 
Hab. Ega (Brazil). In the National Collection. 
3. Ceropales crassicornis. 
C. ferrugineus, capite nigro; labro, clypeo scapoque antice albis; abdo- 
minis apice, tibiis posticis, tarsis femorumque apice nigris; alis hyalinis, 
fusco maculatis. 
Male. Length 4 lines. Ferruginous; the head black; the clypeus, 
