BRUES: PARASITIC HYMENOPTERA. 119 



femur, most of the four anterior legs and the posterior tarsi which are 

 yellow or brownish yellow. The melanic specimen is, however, struc- 

 turally the same as the fully marked specimens. 



Chalcididae. 



Chalcis Fabr. 



There are four species of Chalcis in the present collection, including 

 one already described from the Solomons, and another, C. euploeae, 

 which is apparently widespread in the Indo-Malayan region. The 

 following key will distinguish the four species. 



1. Cheeks, below eye and behind malar carina, with coarse reticulate 

 sculpture; hind femora tricolored, black with rufous spot before 



apex which is white terribilis, sp. nov. 



Cheeks punctate or nearly smooth; hind femora bicolored, black 

 with the apex yellow or white 2. 



2. Four anterior legs entirely lemon-yellow beyond the middle of 

 the femora; hind tibiae entirely yellow except at extreme base. 



euploeae Westw. 

 Four anterior legs with the femora black except at tip; all tibiae 

 white or yellow varied with black 3. 



3. Hind tibiae black, with a white stripe externally except at base; 

 middle tibiae white with a black stripe internally. 



C. salamonis Cam. 

 Hind tibiae black, yellow externally at extreme base; middle tibiae 

 black, yellow at base and apex C. piraticus, sp. nov. 



Chalcis terribilis, sp. nov. 



Type.— M.C.Z.9,0&7. Solomons: Rere. W.M.Mann. 



9 . Length 5 mm. Black, tegulae with a large white spot; front 

 femora white behind near tip and at extreme tip in front, their tibiae 

 brown with a white streak externally at base and spot at base ; middle 

 legs with knees and tip of tibiae yellowish white; hind femora white 

 at extreme apex and with a subapical rufous spot externally, their 

 tibiae externally with a white spot near base and at apex; all tarsi 

 pale brownish yellow. Head above umbilicately punctate; front 

 between antennal cavity and eye with a strong carina extending along 



