species 293 observations
Mather's Springtime Pug
Eupithecia matheri
Field notes
Eupithecia matheri is a moth in the family Geometridae first described by Frederick H. Rindge in 1985. It is found in the US states of Connecticut, New York, New Jersey, Pennsylvania, Virginia, North Carolina, Mississippi, Louisiana, Texas and possibly Kansas.
The length of the forewings is 9 mm for males and 8.5–10 mm for females. Adults are on wing from late January to the beginning of April.
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Greener is more native, amber more introduced; paler is less certain. How this was decided