...; palpi black, beset with black bristles : feelers black, as long as the face ; third joint pitchy, slender, linear, rounded at the tip, about four times the length of the second ; bristle much longer than the third joint : chest greenish blue, striped with purple ; hind part blue,...

...beset with black bristles : feelers black, as long as the face ; third joint linear, slender, slightly rounded at the tip, about four times the length of the second ; bristle downy, not much longer than the third joint, stout for two-thirds of its length, slender...

...epistoma not prominent ; eyes bare ; palpi and leg» black ; antenna: reaching the epistoma ; 3rd joint linear, rounded at the tip, about four times the length of the second ; arista stout for almost one-third of the length ; thorax with four black stripes ; abdomen black, nearly oval,...

...nigricantibus. Female. Deep black, pubescent, not shining ; antennae reaching the epistoma ; 3-rd joint linear, rounded at. the tip, about four times the length of the 2 nd ; arista plumose ; abdomen somewhat oval, a little boarder but hardly longer than the thorax ;...

...nigricantibus, vend prsebrachiali angulum perobtusum fingente, vend discali transvers& sub-undulatd. Male. — Black, slender, bristly: head white; vertex...dark grey, blackish along the costa ; veins black; prsebrachial vein forming a very obtuse angle at its flexure, straight from thence to its tip, which...

...Palpi tawny. Antennae piceous, slender, almost reaching the epistoma ; 1st and 2nd joints tawny ; 3rd linear, rounded at the tip, about four times the length of the 2nd ; arista slender, bare, stout at the base. Thorax slightly cinereous; forepart with three more...