8 PROCEEDINGS OF THE NATION AL MUSEUM vol. 66 



Length of female "without ovipositor 12 mm; with ovipositor 28 

 mm. Length of male 12 mm. 



Described from two females and one male, collected by F. X. Wil- 

 liams at Banos, Oriente, Ecuador, January 19, 1923, " On Luma 

 Tree." Received from The Hawaiian Sugar Planters' Experiment 

 Station. 



Type.— Femsi]e, Cat. No. 27129, U.S.N.M. 



Family SAPROMYZIDAE 



Genus LONCHAEA Fallen 



Loncliea Fallen, Ortalides, p. 25, 1820.— Becker, Berl. Eat. Zeitsch., 

 vol. 40, p. 322, 1895.— Melander, Psyche, vol. 20, p. 61, 1913.— Bezzi, 

 Bull. Ent. Research, vol. 9, p. 250, 1918 ; vol. 11, p. 199, 1920. 



LONCHAEA HIRTITHORAX, new species 



Male. — Shining black. Wings and two basal joints of tarsi yellow. 



Front velvet black, clothed with numerous long hairs, which are 

 mostly in four rows; width of the front above the antennae about 

 one-seventh of the headwiclth; third antenal joint slightly elongated^ 

 about one-half longer than wide, hardly reaching epistoma. Para- 

 facial with very slight gra}^ pruinosity, hardly visible except in 

 favorable light. Palpi black, rather broad; epistoma at the sides 

 with numerous large hairs, manj^ of which are upturned; lunule 

 bare. Thorax shining, covered with long, erect hair, among which 

 no distinct acrostichals or dorsocentrals are visible except close to 

 the scutellum where there appear to be two pairs of each. Scutellum 

 shining black with two pairs of longer bristles and a marginal row 

 of hairs between them. Pleurae shining, the mesopleura with abun- 

 dant long hairs largely curved forward and upward, those along 

 the hind margin bristlelike. Upper edge of sternopleura with a 

 cluster of upturned large hairs. Halteres entirely black. Calypters 

 black with fringe of same color. Abdomen wholly shining with 

 rather abundant long hairs especially along the sides. Wings yellow, 

 more infuscated apically and at the extreme base; the small cross- 

 vein is opposite the tip of the first vein. Legs shining black except 

 the tarsi, of which the first joints are yellow, the remainder brownish 

 or black. 



Female. — Front somewhat wider than in the male, with shorter 

 hairs; the hairs of the epistoma, mesonotum and abdomen also 

 noticeably shorter than in the male. Two distinct pairs of dorso- 

 centrals with some hairlike ones anterior to them. 



Length. Male, 4 mm., female, 3.G mm. 



Described from 14 specimens reared at Forest Grove, Oregon, by 

 L. P. Rockwood, from Lufinus polyjyhylhis. 



