This is a very common species throughout the eastern part of the U. S. and found in patches of sedge or swainp grasses. Sedges are probably the usual host plant. Cranberry Lake, Barber Point, July and Aug. Grasse River, July 22, 1920.
Thamnotettix ciliates Osborn.
Like other species of this group in the germs the species occurs in boggy places on sedge or coarse grasses. It is seldom taken but very likely Occurs in abundance on a certain host plant at the proper season. Cranberry Lake (Hedgehog Pond), Aug. 11, 1920. Wanakena (Ranger School), Aug. 12, 1920.
Thamnotettix decipiens Provaneher.
COM111011 011 marsh grass and sedges. The nymphs appear in late •Tidy and the adults in August and September, often in great abundance. Cranberry Lake. Aug. 1 and Sept. 15, 1917; July 30, 1920 (nymphs) ; Aug. 11, 1920 (adults). Plains, Aug. 3. 1920 (nymphs). Bear Mountain„1 lig. 15, 1920.
Thamnotettix smithi Van Duzee.
This species seems to be much less abundant than to which it is closely related. It occurs in ground and in marsh upon grasses and sedges; it may he restricted to a certain species of food plant and consequently not often collected.
Thamnotettix placidus Osborn.
Fairly common though not abundant on marsh grasses and s('dges of swamp meadow. Cranberry Lake. Aug. 1. 1917; July 2S, 1919; July 30, 1920. Wanakena. Aug. 1 7, 1.917. Plains, Aug. 3. 1920.
Chlorotettix unicolor (Fitch).
This form has been taken at many different locations and may he considered as one of the important species of the region ; its occurrence on grasses is sufficient to make it of economic impor tance where these grasses have any value. Roth young and adults live upon the grasses of the swamp meadows and form one of the most eanspicuous features of these associations. Cranfierry Lake. July 24 and 2S, 1919 ; Aug. .5 and Sept. 1:), 1917. Wanakena, _Aug. 1-7. 1917. Plains. Aug. 3. 1920. Grasse River, July 22, 1920.
Chlorotettix luscrins (Osborn and Ba11).
This species occurs in mixed grasses and sedges and so far as observed Isere prefers the higher locations but where there is con siderable moisture and shade. Tt is too rare to be of economic
importance. Barber Point, Aug. 5, 1920. Bear Mountain, Aug. 1.5. 1920.
Cicadula variata (Fallen).
Found only in wet shady woods on / WM/ 1117/0171 is apparently its host plant, at least for the nymphal stage. Cranberry Lade. Aug. 1. 1917; Aug.. 10, 1920. Wanakena, An 1-7, 1917.
Cicadula 6=notata (Fallen).
This is one of the most and abundant of the leaf hoppers occurring throughout northern Europe and a large part of North America, feeding upon a great variety of grasses, includ ing among the others oats and cereal crops. In cultivated areas the species has a. very distinct economic importance. it has been found pretty plentiful on the wild grasses as well as blue grass and timothy of the camp sites and vicinity. Cranberry Lake, July 3 and 6, 1919; Ana.. 1. 1917. Wanakena, Ang. 1-7, 1917; July 15, 1920; Aug. 12, 1920. Plains, Aug. 3, 1920.
Cicadula pallida Osborn.
Has been taken very infrequently and only in bog associations where sphagnum and other distinctly bog plants occur. Cran berry Lake and Barber Point, Aug. 10, 1920. Wanakena, Aug. 1-7, 1917; Ang. 12, 1920.
This species occurs in immense numbers and may be collected in boggy places. Wanakena and Ranger School, July 15; Aug. 12, 1920. Plains, Aug. 3, 1920.
• Balclutha punctata (Thunberg).
Cranberry Lake, 3. 6 and 25, 1919 ; Aug. 5. 1917; June 9 and July 23, 1920. Wanakena, Aug. 1-7, 1917: Aug. 12. 1920. Plains. Aug. 3, 1920.
This is by no means as common as the preceding species and is distinguished from it simply by the absence of spots. Wana kena, Aug. 1-7, 1917.
Alebra albostriella (Fallen).• This occasionally appears in large numbers on forest trees but has not been found abundant especially the present season. Cranberry Lake, July 20. 1917. Wanakena, Air-. 1-7, 1917.