Lophalia Casey, 1912

Key to species of Lophalia Casey, 1912 View in CoL .

1. Each elytron with single subsutural ivory vitta............................................... 2

— Each elytron with two ivory vittae, a broad subsutural vitta and a narrower submarginal one beginning below humerus...................................................................... 3

2(1). Form small (10–14 mm), stout; front, vertex and pronotum with punctures coarse, deep; elytra about 2.4–2.7 times longer than broad, and 3.6–3.7 times longer than length of pronotum ( Fig. 69–78 View Figures 69–78 )..................................................................... L. cyanicollis (Bates) View in CoL

— Form moderate sized (12–19 mm), elongate; front, vertex and pronotum with punctures sparse, shallow; elytra almost three times longer than broad (2.8–2.9 ×), and four times longer than length of pronotum (4–4.2 ×) ( Fig. 79–88 View Figures 79–88 )................................. L. prolata Chemsak and Linsley View in CoL

3(1). Form small to moderate sized (14–17 mm), head and pronotum with metallic bluish or aenescent sheen; apices of elytra bi-emarginate-truncate, exterior angle with prominent spine longer than the one on sutural angle; front with frontoclypeal sulcus frequently deep and transversely excavate ( Fig. 89–98 View Figures 89–98 )................................................................ L. quadrivittata (Bates) View in CoL

— Form moderate sized (16–18 mm), head and pronotum black; apices of elytra serrate to sinuate truncate, exterior angles with a short spine not longer than ones on sutural angles; front with wide, shallow depression on either side below antennal insertion, frontogenal ridge prominent ( Fig. 99–108 View Figures 99–108 ).................................................................. L. nigricollis Eya , sp. nov.