434 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 46. 



and f rons w4th a few widely-scattered round shallow punctures ; face 

 below the antennas svith. close shallow punctures and densely covered 

 with fine hairs ; mandibles edentate ; clypeus transverse and polished ; 

 antennae short, 16-jointed, the first and second flagellar joints sub- 

 equal and a httle the longest of the flagellar joints. Prothorax above 

 and at sides closely punctate; mesoscutum polished, with a few 

 indistinct shallow punctures posteriorly, the parapsidal grooves 

 uniting before reaching the scutellum; mesopleuras mostly smooth, 

 with a punctate area medially; propodeum evenly rugoso-punctate 

 without carina; wings slightly fuscous, with a transverse hyaline 

 streak across the middle and embracing the basal half of the stigma; 

 posterior tarsi longer than their tibiae, the first tarsal johit as long as 

 the three following, or nearly as long. Abdominal petiole longitudi- 

 nally striate, the follomng segments smooth. 



Female. — Similar to the male, but mth the antennae 15-jointed, 

 and the body color slightly more ferruginous. 



Type-locality. — Hagersto\\Ti, Maryland. 



Type.— C&t. No. 16351, U.S.N.M. 



Host. — Meromyza americana. 



The male type was reared by J. A. Hyslop from the above-mentioned 

 host and locality, July 18, 1912, and is recorded under Webster No. 

 5967, Bureau of Entomology, United States Department of Agri- 

 culture. 



The female type collected at Garden City, Kansas, by W. H. Menke, 

 July, 1896. 



Family ALYSIID^. 



Subfamily DJ^CNTISTN.^:. 



C(ELINIDEA FERRUGINEA, new species. 



Female. — Length 3.5 mm. Agrees with C. meromyzse Forbes in 

 sculpture, but differs as follows: Abscissa of cubitus separating the 

 first cubital and discoidal cells usually incomplete, effaced basally; 

 the head viewed laterally appears distinctly longer (antero-poste- 

 riorly) than high (dorso-ventrally), while in meromyzse it is only a 

 little longer than high ; the parapsidal grooves are deep and complete, 

 not interrupted on the disk of the mesonotum. General color of the 

 whole insect flavo-lerruginous ; the color of the thorax variable, often 

 mixed Avith brownish or even blackish on the dorsum, pleurae, and 

 propodeum; apical two-thirds of the antennae and apical half of the 

 abdomen dark brown or blackish. 



Male. — Similar to the female, but with the antennae, legs, and thorax 

 darker. 



Type-locality. — Elkpoint, South Dakott 



Type.—C&t. No. 16352, U.S.N.M. 



Host. — Meromyza americana. 



