Tim Dyson: Night Vision Photography

Catocala meskei, Peterborough, Ontario, August 16, 2004, courtesy of Tim Dyson copyright.

Note the "face" on the thorax. None of the forewing markings are really accentuated. The "upper two teeth" of the postmedial line, which are often quite long and sharp in other species, are not greatly extended. The white submarginal line is white and evenly serated.

Catocala meskei, Peterborough, Ontario, August 16, 2004, courtesy of Tim Dyson copyright.

In the above image, meskei (lower right) lacks the ventral hindwing discal lunule evidenced in the species (possibly briseis) feeding upper left.

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