Size: 5.9-8.5mm

Seasonality: March-October

Distribution; scattered across North America

Information: mostly nocturnal, can be attracted to florescent lights, UV and mercury vapour traps. 

Description: body: elongate-ovate, slender. Head glossy black with faint green hue; smooth, with two large dimples on the frons, which continue onto the clypeus. Labrum rectangular; front margin of labrum yellow. Mandibles curved close to the face, palps pale. Scapus yellow, bases of antennal segments pale, main portion brown. Antennal pubescence begins on the first antennomere following the pedicel. Eyes bulging laterally; two supraorbital setae over each eye. Pronotum quadrate; dorsal surface smooth, glossy greenish-black. Median line thin, shallow. Lateral margins opaque yellow, thinly beaded. Front margin transverse; front angles obtuse; lateral margins weakly rounded; hind anlges obtuse, rounded; basal margin weakly rounded. Dorsal pronotal base heavily micropunctate within two slight depressions--one on either side of the lower median bulge; disk otherwise smooth. Pronotal base does not overlap the elytral base, scutellum exposed. Elytra with 8 well-defined striae per elytron, elytra dull lustrous grey-silver, with a greenish hue. Humeral shoulders squarish, rounded; lateral margins pale yellow, nearly parallel to each other; sutural margins should not be yellow or elevated in mature adults; elytral intervals flat; apices rounded, weakly sinuate. Epipleura yellow. Ventral faces semi-glossy to matte black, final four abdominal sternites should have sparse, pale pubescence. Legs pale yellow.