186 Transactions. 



segments with a transverse dark-green band near the posterior margin ; 

 the 6th segment has a broad fuscous stripe in the middle, while the 7th 

 and terminal appendage are more or less totally fuscous. The ventral side 

 is yellow. 



What I have called the 6th and 7th abdominal segments are probably 

 a portion of the extruded ovipositor, since they differ not only in colour 

 but are abruptly smaller than the 5th. However, at present I am unable 

 to place this species in any of the genera which have 5 visible segments 

 as their character. 



$. Length, 10 mm. ; wing, 9 mm. 



Habitat.— Mount Arthur, 3,600 ft. (Hudson). 



Genus Beris Latreille. 



Captain Hutton (I.e., pp. 5-7) described four species of this genus, three 

 of which were new forms ; of the fourth — B. substituta Walk. — neither 

 Hutton nor I have representatives, though I am inclined to think that the 

 female of violacea Hutton may be a substituta. 



To those already recorded I add four other new species, bringing the 

 total to eight ; but, since some possess features markedly different from those 

 characteristic of this genus, it may be found necessary later on to place 

 them in other genera. A notewothry example is cuprea of Hutton ; in 

 this form the 1st and 2nd posterior veins arise from a common pedicle from 

 the apex of the discal cell, which is thus apically acute, the 1st and 3rd 

 posterior cells be ng here contiguous. Curiously enough, this is the only 

 species of the eight which has holoptic eyes in the male, a feature peculiar 

 to Beris. However, all but two of the following forms have the eyes 

 more or less characteristically hairy, but the nagellum of the antennae, 

 which should have 8 segments, has only 7 in all the species but one — 

 caliginosa n. sp. — while at least the 1st and 2nd segments of the nagellum 

 in saltusans n. sp. are distinctly hairy. Moreover, in these two forms, the 

 1st, 3rd (except anterior branch), 5th, and 6th longitudinal veins are distinctly 

 bristly. 



The anterior cross-vein arises from the 3rd longitudinal, but in none 

 of the following do both have a common origin from the 2nd, though the 

 1st section of the 3rd vein varies in position and length. 



According to the following table the species fall into two chief divisions, 

 according as to whether the eyes be hairy or bare ; in the former the legs 

 are banded, but in the latter of a uniform colour. 



Table of Species. 

 , f Eyes hairy and legs banded* . . . . . . . . . . 2 



( Eyes bare and legs not banded . . . . . . . . 6 



(Eyes distinctly hairy; 1st, 3rd (except anterior branch), 5th, and 

 2 -j 6th longitudinal veins bristly . . . . . . . . 3 



(Eyes rainntely or indistinctly hairy ; veins not bristly . . . . 4 



«J Flagellum minutely pubescent. . .. .. .. .. caliginosa n. sp. 



I Flagellum hairy on first two segments at least . . . . . . saltusans n. sp. 



, I First section of 3rd vein longer than, or ecpial to, anterior cross-vein 5 



I First section of 3rd vein shorter than anterior cross-vein . . . . viicans. 



- (Wings clear but for a transverse band; thorax brilliant bluish-green lacuans n. sp. 



1 Wings clouded but clearer at apex ; thorax dull-bronzy .. .. violacea. 



,» ( First and 2nd posterior veins arising from a common pedicle . . cuprea 



1 First and 2nd posterior veins normal . . . . . . . . rejugians n. sp. 



* Substituta is not included in this table, but it falls into the first division owing to 

 colo\ir of legs ; as has been said, it may equal violacea. The legs of micans are not as 

 distinctly banded as the other species of this division. 



