Vol. XXVlii] ENTOMOLOGICAL NEWS. 255 



EXPLANATION OF PLATES. 

 PLATE XVII. Appendages of males. 



Figs. 1-14 by M. Menger from specimens in de Selys collection; figs. 

 15-16 from Mr. Samuel Henshaw, specimen in Hagen collection. Figs. 

 5 and 6 have been compared by Mr. Emerton with the type of dorsale 

 in the Hagen collection and he reports them identical. 

 I, 2. Leptagrion macrurum. 9, 10. Leptagrion elongatum. 



3, 4. Leptagrion andromache. n, 12. Leptagrion dispar. 



5, 6. Acolagrion dorsale. 13, 14. Acolagrion flammeuin. 



7, 8. Leptagrion porrcctum. 15, 16. Leptagrion (/) croccum. 



PLATE XVIII. Wing photos. 



Fig 19. Leptagrion macrurum. Photo, by C. H. Kennedy of a speci- 

 men in Dr. Calvert's collection. 



Fig. 20. Aeolagrion nammcum, $, Tumatumari, British Guiana, 

 February 29, 1912. Photo, by Mr. Munz. 



Fig. 21. Aeolagrion dorsale, $, Paramaribo, Dutch Guiana, Febru- 

 ary 23, 1912. Photo, by Mr. Munz. 



Fig. 22. Aeolagrion dcmararum, $, Georgetown, British Guiana, 

 January 25, 1912. Photo, by Mr. Munz. 



New Chalcid Flies from Maryland, II (Hym.).* 



By A. A. GIRAULT, Glenndale, Maryland. 



Neomphaloidella mediogutta n. sp. 



9. Length, 1.45 mm. Like Aprostocetus whitmani Girault, in gen- 

 eral. 



Dark metallic purple, the wings hyaline, the following parts golden 

 yellow (legs darker yellow) : Scape except the bulla and above nar- 

 rowly, ring-joints, legs except the cephalic coxa laterad at base, the 

 cephalic and middle femora dorsad for proximal two-thirds, proximal 

 half of abdomen laterad and ventrad and the proximal third of same 

 dorsad except for a narrow line across base, an abbreviated marginal 

 stripe (which extends from near the apex of the yellow proximad to a 

 little proximad of the middle) and a round median spot (opposite and 

 between the marginal stripes, its diameter not as long as this stripe 

 and which is not quite at the apex of the dorsal yellow when the ab- 

 domen is retracted against the purple as is the marginal stripe). 



Pedicel nearly twice longer than wide, a little shorter than club i ; 

 funicles I to 3 subequal or a little shorter in succession, nearly four 

 times longer than wide (joint i), the club joints about twice longer 

 than wide (but 3 shorter and conical, its terminal spine distinct). Man- 

 dibles tridentate. Sculpture usual, the propodeum scaly, with a median 



*See Ent. News, xxviii, p. 20. Jan., 1917. 



