Spotless Grass Yellow
Eurema laeta, Boisduval

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Seasonal Variations

Typical wet season male.

The sex mark is large.
Upper side forewing: The black band on the termen reaches the tornus, and is continued along the entire length of the lower margin as a very fine black line.
Upper side hind wing: The black band on the termen is narrow and continues to the anal margin. Usually there is a black spot towards the distal end of the cell, and similar ones at the end of the veins, though they are sometimes absent.  

Typical wet season female. 

Upper side forewing: The black band on the termen is much broader and varies little in width from vein 4 to the tornus. It then runs a short distance along the lower margin.
Upper side hind wing: The black band on the termen is very broad at the apex and narrows gradually to the tornus.

Typical dry season male.   

The sex mark is smaller.
Upper side forewing: The black band on the termen is narrowed down at vein 1. It lacks the fine black line on the lower margin.
Upper side hind wing:  Narrow black band along the termen. The middle of termen to the anal angle is straight.
Under side forewing: A linear black mark in the cell.
Under side hind wing: A spot in the basal half of interspace 7 and three other small spots near the cell.

Typical dry season female.

Upper side forewing: The black marginal band of the forewing below vein 2 is continued to the tornus as a fine line.
Upper side hind wing: The black band is broad at the apex and narrows down abruptly in interspace 5, and is then continued as a very narrow band to the tornus.  

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