60 . 



green, the knees, tibiae and tarsi testaceous; wings hyaline, the ner- 

 vures testaceous; antennal scape dark blue, flagellum blackish, fuscous 

 below. Female. Length 2.5 mm. San Marcos, Nicaragua. 



Head smooth and shining. Pronotum depressed at the base, the 

 raised apex with numerous longitudinal furrows in the central part, the 

 lateral parts rugosely punctured. Mesonotum and seutellum closely, re- 

 gularly, rugosely reticulated, the latter more widely than the former. On 

 the upper part of the apex of the propleurae is a fovea, hardly separated 

 from a mnch larger, deejjer pyriform one; on the base of the mesopleurae 

 is a large, deep depression, longer than wide, followed below by two 

 much smaller oval ones; behind is an elongated fovea, followed by three 

 round ones, with another in front. Metanotum stoutly, irregularly reti- 

 culated. 



1427 Perilampus albitarsis sp. nov. 



Dark blue, the upper part of the thorax dark brassy; the tibiae 

 black, the tarsi pale testaceous; flagellum of antennae black, wings clear 

 hyaline. Female. Length 3 mm. San Marcos, Nicaragua. 



Head smooth, the vertex with a few fine curved striae; the face and 

 orbits covered with white pubescence. Thorax above closely reticulated, 

 except the inner side of the lateral lobe of the mesonotum; seutellum 

 gradually roundly narrowed to the apex, which has, in the middle, a 

 small blue depression. Metanotum smooth, surrounded by a rugose border. 

 Base of propleurae rugose, the hinder part smooth, blue; the apex 

 broadly, deeply depressed and crenulated and with a fovea, rounded at 

 the base, open and slightly narrowed at the apex. Base of mesopleurae 

 with a larger upper, an elongated middle and a smaller round fovea, the 

 middle one being placed behind the others; the hinder region with a cur- 

 ve of deep foveae. Metapleurae bearing large, deep irregular foveae. 

 Legs thickly covered with white hair. Tegulae dark blue. Back of ab- 

 domen sparsely covered with erect hairs; the sides and apex are blue. 



1430 Lirata iridicolor sp. nov. 



Black, the thorax bronzy, the abdomen except the petiole and the 

 base of second segment rufo-testaceous; scape of antennae yellow, the fla- 

 gellum black, fuscous towards the apex; legs testaceous, the coxae and 

 trochanters black; wings hyaline, the stigma black. Female. Length 

 nearly 4 mm. Chinandega, Nicaragua. 



Head smooth, shining, the mandibles testaceous. Middle lobe of me- 

 sonotum finely transversely striated, the striae wiiloly separated; the 

 apical broken in the middle by a longitudinal furrow; sides of seutellum 

 bordered by a distinct keel, the centre with some fine longitudinal 

 furrows. Scutellar spines reaching almost to the middle of the abdomen, 

 stoutly longitudinally striated, slightly twisted, the apices slightly 

 approximating. Pleurae smooth, the meta- thickly covered with longish 

 white pubescence; the furrow below the tegulae wide, the sides obliquely 

 sloped, the centre furrowed, closely, finely striated. The thorax has a 



