. fi5 



narrowed towards the hase. Body and Icgfs sparsely covered with white 

 hairs. Wings hyaline, the nervures testaceous. 



1440 Brasema maculipennis sp. nov. 



Dark violaceous, largely marked with brassy, green, and blue tints; 

 the second abdominal segments for the greater part pale yellow; legs 

 black and fuscous, with metallic tints, the fore tibiae and tarsi testa- 

 ceous, the antennae black, the scape fiery red; wings fuscous, a curved 

 hyaline cloud, narrowed in the middle, behind the stigma, the apical 

 third being also hyaline. Male. Length 3 mm. Managua, Nicaragua. 



Head and thorax densely covered with white pubescence and closely 

 punctured, the face with a narrow keel in the centre, the upper half 

 of the malar space furrowed. Lateral lobes of the mesonotum with a 

 broad blue stripe on the inner side. Scutellum dark emerald green, 

 closely, distinctly punctured. Sides of metanotum smooth, shining, 

 blue and green, the centre bronzy. Pleurae smooth and shining. The 

 apical segments of abdomen green. Probably the metallic tints, blue 

 green, violet etc., vary considerably. 



1447 Brasema maculicomis sp. nov. 



Dark violaceous, largely marked with blue, green and brassy tints, 

 the second abdominal segment with a narrow pale yellow band; the 

 antennal scape and the four and fifth joints of the flagellum rufo-tes- 

 taceous; wings smoky, highly iridescent, the base and an oblique cloud 

 narrowed below at the base of the stigma and another hyaline cloud 

 opposite it. Legs blackish, the knees broadly and the fore tibiae and 

 tarsi testaceous. Female. Length 2.5 mm. Champerico, Guatemala. 



Head closely punctured, the eye orbits less strongly punctured than 

 the rest, "the malar furrow indistinct; the face with a short smooth 

 keel in the centre. Lateral lobes of mesonotum blue. Scutellum closely 

 punctured, dark emerald green. Pleurae and abdomen smooth and 

 shining. The white abdominal band is broader and more conspicuous 

 on the ventral than on the dorsal surface. Ovipositor testaceous. 



Rekabia gen. nov. 



Metanotum smooth and shining, a stout middle keel dilated at the 

 base, a narrowed smooth one bordering the sides and a stout, opaque, 

 transverse one on the apex. Antennae apparently 7-jointed, the scape 

 long and slender, the pedicle about three times longer than it is wide 

 at the apex; the joints of the funicle elongate, narrowed at base and 

 apex; the club fully one-half longer than the preceding joint, sharply 

 narrowed at the apex. Mesonotum trilobate, the middle lobe keeled down 

 the centre; at its apex is a transverse keel separating it from the scu- 

 tellum. Scutellum large, bounded in front by two oblique deep furrows, 

 the sides below by a narrow furrow. Abdominal petiole stout, about 

 twice longer than broad, the second segment is longer than it, the third 

 nearly as long as both united. Occiput transverse, temples almost obso- 

 lete, eyes largo, tiie head triangularly produced below them; the apex 



