no. 2087. DESCRIPTIONS OF NEW HYMEN OPTERA, 9— CRAWFORD. 581 



except elevation, irregularly rugose, the elevation at base with a large 

 fovea and in front of it two laige punctures on each lateral margin; 

 wings hyaline, veins light 

 yellowish, first abscissa of 

 the radius distinctly shorter 

 than the second. 



Fig. 1.— Hexaplasta marlatti. Female antenna. 



Fig. 2.— Hexaplasta marlatti. Male antenna. 



Male. — Length about 

 1.12 mm.; antennae about 

 1.5 mm. Similar to the female but darker in color; joints of the 

 funicle almost three times as long as broad (fig. 2). 

 Type-locality. — Warrenton, Virginia. 



Described from two females and three males reared by Mr. C. L.Mar- 

 lattfrom cow dung with i7aemafr>&M under dates September 10, 1889 (the 



types and two paratypes) , and 

 September 13, 1889, and re- 

 corded under Bureau of Ento- 

 mology number 4285/22. 



Type.— Cat. No. 18296, 

 U.S.N.M. 



The species is named in honor of the collector. 

 The antennal drawings are both from the type-specimens and were 

 made with a camera lucida from slide mounts. 



HEXAPLASTA FUNGICOLA, new species. 



Female.— Length about 1.25 mm. Black, abdomen basally, 

 especially on sides, dark reddish; legs, including coxae, light brown, 

 femora and tibiae slightly darker; antennae reddish brown, club 

 somewhat darker, scape short, the pedicel almost as long as scape, 

 slightly shorter than the 

 first joint of the funicle 

 (fig. 3); scutellum, except 

 elevation, irregularly ru- 

 gose, elevation of scutel- 

 lum with a large fovea 

 apicad and in front of it two large punctures on each lateral margin ; 

 wings hyaline, the veins almost whitish, first abscissa of the [radius 

 very slightly shorter than the second. 



Male. — Length about 1 mm. ; antennae about 1.25 mm. Similar to 

 the female, except in secondary sexual characters ; joints of the funicle 



about twice as long as broad (fig. 4) . 

 Type-locality . — Washington , Dis- 



trict of Columbia. 



Fig. 3.— Hexaplasta fungicola. Antenna of female. 



Fig. 4.- 



-Hexaplasta fungicola. 



MALE. 



Antenna of 



Type.— Cat. No. 18297, U.S.N.M. 



Described from eight females 

 and seven males from a* large series reared from Dipterous larvae in 

 mushrooms, Russula pectinata, R. roseipes, and Armillaria mellea, col- 

 lected July 3-August 30, by Mr. C. H. Popenoe and Miss M. T. Van Horn. 



