HYMENOPTERA PARASITICA 353 



The t^ or what is supposed to be the ,?, has the orbits connected by a yellow band, 

 the prothorax, except a spot on its pectus, and the scutellum are reddish, while the hind 

 coxae, except at apex, are black, their tibiae at tips and their tarsi being fuscous. 



Hab. Hawaii : Kona (3500 feet), in July. 



(3) Atrometus citricinct7is, sp. nov. 



,?. Length 6 mm. Black ; the orbits, except an interruption at summit of eyes, 

 the face below the antennae, the mandibles, except the teeth, the prothorax beneath, 

 the front and middle coxae and their trochanters, except above, a longitudinal band on 

 the mesopleura, the tegulae, and the apex of the scutellum, lemon-yellow ; rest of the 

 front and middle legs reddish ; the hind legs mostly black, their tibiae medially-reddish. 

 Wings hyaline, the stigma and veins brown-black. Antennae, with the annular joint, 

 27-jointed, as long as the body. 



Hab. Hawaii : Kilauea, in August and September. 



(4) Atrometics molokaiensis, sp. nov. 



?. Length 8 mm. Black ; the orbits entirely, the face below the antennae, 

 mandibles, prothorax, tegulae, scutellum, a longitudinal band on the mesopleura and the 

 front and middle coxae and trochanters, lemon-yellow ; rest of the front and hind legs 

 mostly castaneous or dark rufous, their coxae above blackish, pale at base and beneath, 

 the tips of their tibiae and tarsi black or dark fuscous ; venter more or less testaceous. 

 Antennae 28-jointed, longer than the body. 



Hab. Molokai, in the mountains (4500 feet), in August. — Maui : Haleakala. — 

 Hawaii : above Hilo. in December. 



(5) Atrometus lialeakalae, sp. nov. 



$. Length 6 to 6 '5 mm. Black ; the orbits sometimes narrowly interrupted at the 

 summit of the eyes, face below the antennae, prothorax, scutellum, except at base, the 

 mesopleura, except a spot beneath the tegulae and a spot along the mesosternal suture, 

 an oblong spot on the sides of the metathorax, and the hind coxae, except a large black 

 spot above, lemon-yellow ; palpi, anterior and middle coxae and trochanters, yellowish- 

 white ; rest of legs mostly reddish or testaceous, the tips of the hind tibiae and their 

 tarsi black or fuscous. Wings hyaline, the stigma and veins dark brown. Antennae, 

 with the annulus, 28-jointed, as long as the body. 



Hab. Maui : Haleakala (5000 feet), in March and April. — Molokai, in mountains 

 (4000 feet), in July. 



