Finalia picora? Gr. 6 Chicago resting on maple branch April 13. 1890. New Haven, Conn. (Prospect St.) Confined with a variety of food plants laid eggs, about 40 in number April 15-17. Ford plant Abies Egg proper. Large, greenish yellow subhemispherical flattened at apex 1 x .6 mm. Marked by parallel ridges radiating from the slightly flattened apex when they occur indefinitely, becoming branched or labyrinthine and at the pumping .02 mm apart. Connected transversely by fine ridges about .01 mm apart Eggs hatched April 27-30. Fid - Abies canadensis buds and young flowers. 1st Stage. Larva subdorsally blunt, greenish yellow without apparent markings. Head median pale brownish. Spiracles interspines. Sparsely covered with short stiff hairs. Attacked by the enlargement of the spiracle at segment, 5 perfect legs. Proboscis green. Length 1 x .5 mm 2nd Stage. May 4 measured. 1 x 10 mm Bright green as larva anteriorly with reddish yellow. A dorsal sub dorsal and elongated length. Band black on the dorsum greenish with the celtic border. Head green. Thorax darker 8