Ogdoconta tacna
(Barnes, 1904)
A small noctuid described by William Barnes in 1904. Forewings measure 11–13.5 mm and exhibit distinctive gray-brown coloration with greenish tint and fine white pattern lines. Sexually dimorphic in hindwing coloration: males have dirty white hindwings with dark fringe , while females show more extensive dark scaling. periods occur in spring (April–May) and fall (September–October).
Pronunciation
How to pronounce Ogdoconta tacna: /ˌɒɡdəˈkɒntə ˈtɑːk.nə/
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Identification
Small size (11–13.5 mm forewing length) combined with gray-brown forewings showing greenish tint and fine white line pattern. Diagnostic features include: straight oblique postmedial line with slight outward angulation near spot; dark gray-green rectangular accents inside postmedial line; dirty-white outlined and reniform spots; irregular dull white subterminal line; and sexually dimorphic hindwings (paler in males).
Images
Distribution
Central and south-eastern Texas, USA. Probably present in Mexico.
Seasonality
active April–May and September–October.