22 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



The following papers were accepted for publication: 



ON THE PROBABLE OCCURRENCE OF THE MYMARID GENU S 

 DICOPUS ENOCK IN FIJI. 



BY A. A. GIRAULT. 



Several months ago I sent in the manuscript of a paper de- 

 scribing a North American species of Mymaridfe from a single 

 male specimen sent to me from Canada and which I named 

 Dicopus halitn.s. While on my way to Australia in Septem- 

 ber, 1911, I had an opportunity of stopping off for a few 

 hours at Suva, Fiji, and during that time managed to collect a 

 few parasitic Hymenoptera. Among these was a single male 

 mymarid geuerically allied with the American iormhalitiis and 

 which also must be for the present referred to the same genus. 

 This Fijian species, like the American form, is very minute, 

 also extremely delicate, and was extraordinarily difficult to cap- 

 ture; it was moving slowly over the pane of a window, but I 

 was not able to keep sight of it for more than the fraction of 

 a second at a time. This fact, taken in conjunction with its fra- 

 gility, made it necessary to spend three-quarters of an hour in 

 effecting its capture. Thereafter I was exceedingly fortunate 

 in being able to transfer it to a slide of xylol balsam, consid- 

 ering the circumstances and lack of facilities for such work. 

 Whether the species is indigenous to the Fiji Islands or not 

 cannot now be determined, especially since our knowledge of 

 the Mymaridae is so scanty. 



For obvious reasons I believe it incumbent on me to describe 

 the form, which is done herewith: 



Dicopus psyche, new species. 



Position normal; abdomen sessile; tarsi 5-jointed. 



Male. Length, 0.20 mm. Very minute; visible as a mere fleck of 

 dust. General color grayish, the legs and antennae concolorous; fore 

 wings characteristic because of the fact that they are clouded through- 

 out, but in the distal part of the wing blade the clouded area is more 

 confined to the midlongitudinal line of the wing and is consequently 

 margined with a hyaline area in that part. The edges of the fore 

 wing are as usual yellowish. Distal half of the abdomen and coxa? 

 darker; trochanters pallid. 



The same as Dicopus halitus Girault, but differing in the following 

 structural characters: In the fore wing there is no midlongitudinal 

 line of discal cilia in the distal part of the blade; excepting a single 

 short line of two or three minute seta?, and along each side, between 

 the margin and the middle line, a single line of larger setae, this line 

 extending to the apex along each side; the middle line is obscure and 

 at the base of the distal third of the wing and does not reach the apex 



