ART. 11. FLIES OF THE FAMILY CLUSIIDAE — MELANDER AND ARGO. 27 



hairs, three fronto-orbitals. Thorax shining black, two dorsocentrals. 

 Abdomen blackish brown, except at base and ovipositor. Front 

 coxae, anterior femora except knees, apical two-thirds of hind femora 

 and hind tibiae black, femora not fimbriate. Wings infumated, base 

 and a transverse band e^itending over the posterior crossvein hyaline, 

 sections of costa 5 : 1.5 : 1, of fourth vein 2 : 1 : 4.5, of fifth vein 

 1.5 : 1; halteres white. Length 3 mm. 



Holotype. — La Suiza de Turrialba, Costa Rica (Pablo Schild), 

 Melander collection. This may prove to be the unknown female of 

 C. hasalis. 



40. CZERNYOLA TRANSVERSA Czerny. 



Craspedochaeta transversa Czerny, Wien. ent. Ztg., vol. 22, p, 103 (1903). 



Front reddish, darker above, face and cheeks whitish; antennae 

 yellow, somewhat bro^vnish apically, palpi yellow. Thorax reddish, 

 with a median black stripe and a transverse stripe before the wings 

 extending on pleurae to sternopleura, scutellum and metanotum 

 black; bristles reddish, two dorsocentrals. Abdomen black. Legs 

 reddish, coxae and base of femora paler. Wings brown on apical 

 half and about crossveins, sections of fourth vein 1:7, third and 

 fourth veins convergent. 3 — 3.5 mm. 



Habitat. — Peru. 



8. Genus HENDELIA Czerny. 



Hendelia Czerxy, \Vien. ent. Ztg., vol. 22, p. 83 (1903). 



Front broad, the antennae distant, cheeks deep, arista thickened 

 and thickly plumose; lunule covered; two reclinate fronto-orbitals, 

 cruciate bristles present but small, no postverticals, ocellars distinct, 

 prothoracic vestigial, one presutural and two postsutural dorsocen- 

 trals, no prescutellars, six scutellars, preapicals absent; crossveins 

 approximate. 



Genotype. — H. heckeri Czerny. 



41. HENDELIA BECKERI Czerny. 



Hendelia beckeri Czerny, Wien. ent. Ztg., vol. 22, p. 84, pi. 2, figs. 1-3 (1903). 



Male.— Front yellowish, face, cheeks and palpi whitish, vibrissa 

 long and strong, vibrissal angle of face rectangular; antennae length- 

 ened, third joint browmish above, the black arista but little longer 

 than antenna. Thorax reddish with three piceous vittae, upper 

 pleurae piceous. Abdomen blackish. Legs yellowish, front tarsi 

 flattened and black. Wings with apical spot, crossveins clouded, 

 third and fourth veins convergent. 



Female. — Face marked with black, vibrissa smaller, palpi large, 

 blackened. 



Habitat. — ^Austria. 



