ARADIDAE Aradus quadrilineatus Say (Fig. 23, a). ' Several speciMens: Two adults and a few nymphs, represent ing three instars, were found under the bark of a decaying beech log at Barber Point during July by Osborn; one specimen between the crevices of the bark of a recently felled yellow birch tree, Barber Point, August, 1919; Mr. Fivaz took two specimens. on the window of the insectary, June 27, 1920.
Aradus robustus One specimen, taken on a yellow birch log, July 19, 1919.
One specimen, collected on the window of the insectary, July 20, 1920.
Common, Barber Point and Wanakena. This insect breeds in the crevices of the bark of dead spruce and hemlock. Eggs, nymphs and adults were taken during the summers of 1917, 1919 and 1920.
Taken with the typical form on spruce and hemlock, Barber Point, 1920.
Barber Point, July 24, 1917; taken about noon as the insect happened to alight on the side of a tent.
Several specimens, taken on the windows of the insectary during July, 1919 and 1920. One specimen collected on a yellow birch log at Barber Point, June 25, 1919.
Taken with the typical form on the windows of the insectary at Barber Point.
Barber Point, June 17 and July 26, 1919; collected on a tent at camp.
Three adults and many nymphs, taken in the crevices and beneath the bark of an old dead spruce tree at Barber Point (in Beaver Meadow), July 9, 1917.
Several specimens collected by Mr. Bide and the writer on a pine log at Barber Point., July 10, 1917.
Aneurus inconstans Uhler.
Barber Point, June and July, 1919. One specimen was found on an old yellow birch log, near the Beaver Meadows, .June 26, 1919.
Aneurus simplex Uhler.
Many specimens, taken at Barber Point beneath the loose bark of a small dead beech tree, July 20. 1917. Fivaz found a specimen on a spruce log, at Barber Point, July 22, 1920. Numerous speci mens were taken on the windows of the insectary at various times (of the days) during the summer of 1920.