GYPSY MOTH; GIPSY MOTH n.
done great damage to fruit, shade, and forest trees of many kinds. The male gypsy moth is yellowish brown, the female white, and larger than the male. In both sexes the wings are marked by dark lines and a dark lunule. The caterpillars, when full- grown, have a grayish mottled appearance, with blue tubercles on the ant…
HARLEQUIN n.
he larva of an American bombycid moth (Euchætes egle) which is covered with black, white, yellow, and orange tufts of hair. -- Harlequin duck (Zoöl.), a North American duck (Histrionicus histrionicus). The male is dark ash, curiously streaked with white. -- Harlequin moth. (Zoöl.) See Magpie Moth. -- Harlequin opal.…
HOP n.
ose. See Hip. Hop back. (Brewing) See under 1st Back. -- Hop clover (Bot.), a species of yellow clover having heads like hops in miniature (Trifolium agrarium, and T. procumbens). -- Hop flea (Zoöl.), a small flea beetle (Haltica concinna), very injurious to hops. -- Hop fly (Zoöl.), an aphid (Phorodon humuli), very…
HUMIN n.
A bitter, brownish yellow, amorphous substance, extracted from vegetable mold, and also produced by the action of acids on certain sugars and carbohydrates; -- called also humic acid, ulmin, gein, ulmic or geic acid, etc.