Report upon Aculeate ITijmenoptera. 265 



Family LXXIII. MYMARID.E. 



Subfamily I. GONATOCEFdN.^J. 



Genus Litus, Haliday. 



1G6, Litus viaculipennis, n. sp. 



(^ . Len^'tli 0-9 mna. Polished black ; head Ijelow antennte, mouth 

 parts, two basal joints of antennto, and legs, except hind tibia?, 

 brownish-yellow ; flagellum and hind tibia! dark brown. Head 

 transverse, not wider than the thorax, with a frontal impression, the 

 vertex acute. Lateral ocelli almost touching the eyes. Antennas 

 much longer than the body, 13-jointed, filiform, subcom pressed, the 

 scape a little shorter than the first flagellar joint, the flagellar joints 

 nearly of an equal length, more than twice longer than wide. Thorax 

 rounded before the pronotum, very short, not or scarcely visible from 

 above ; mesonotum twice as wide as long, with two delicate but 

 distinct furrows ; scutellum large, subconvex, separated from the 

 mesonotum by a transverse impressed line ; metathorax rounded 

 behind, smooth. Abdomen very short, oval, sessile, about half the 

 length of the thorax, with some sparse hairs. Wings hj^aline, strongly 

 fringed, their disks with a slight cloud and a brownish fascia across 

 their basal third, or from the tip of the long marginal vein, 



St. Vincent, Described from one ^ specimen. 

 The male of the genus Lit/ts has never before been 

 described, so tliat I am not quite certain that this species 

 really belongs here. In the number of antennal joints it 

 agrees with Gonatoccnis, Nees, but from that genus it is 

 readily distinguished by the long marginal vein ; in 

 Gonatocerus the marginal vein is short. 



Subfamily II. MYMATdN^E. 



Genus Polynema, Haliday. 



167. Polynema magniccpts, n. sp. 



(^ . Length 1 mm. Brown-black, smooth, shining ; first three joints 

 of an tenure, legs and petiole of abdomen clear yellow ; body of 

 abdomen small, pear-shaped, black. Head large, quadrate, wider 

 than the thorax, the temples and cheeks very full, fuscate ; apex of 

 clypeus impressed, leaving a small opening between it and the mouth. 

 Ocelli triangularly arranged, the lateral being slightly nearer to the 

 eye than to the front ocellus. Antenuic very long, slender, filiform, 

 much longer than the whole body, 13-jointed, the scape very short, 

 stout, scarcely longer than tliick and about the length of the first 



