42 Ittinois NATURAL History SuRVEY BULLETIN 
1933, Mohr & Townsend, 19. KEITHS- 
BURG: June 8, 1932, Ross & Mohr, 1¢@. 
Mounps: May 23, 1932, H. L. Dozier, 
69. Urspana: May 28, 1934, Crystal Lake 
Park, Ross & Mohr, 1 ¢. WHITE HEATH: 
May 29,1933, 1. HeeRoss liar 
Microphylellus tsugae Knight 
Microphylellus tsugae Knight (1923d, p. 456). 
Known only from New York; breeds on 
hemlock (Tsuga canadensis). 
Microphylellus elongatus Knight 
Microphylellus 
p. 458). 
This species is larger and longer than 
modestus Reuter; the length of the second 
antennal segment is equal to the width of the 
pronotum at its base. 
Mave.—Length 4.00, width 1.44. Head 
width 0.68; vertex 0.33; head black, slightly 
paler at base of vertex. Rostrum reaching 
to middle of hind coxae. Antennae, first 
segment, length 0.28, yellowish, fuscous at 
base; second, 1.19, yellow, sometimes slightly 
dusky at base; third, 0.77, yellowish; fourth, 
0.33, yellowish. Pronotum, length 0.62, 
width at base 1.16; black, pubescence pale 
to dusky. Scutellum, sternum and pleura 
black. Hemelytra black, strongly shining; 
emboliar margins nearly straight; pubes- 
cence pale to dusky. Legs straw colored to 
yellow; bases of hind and middle coxae, and 
tips of tarsi, black; hind femora with a row 
of fuscous spots on anterior face near dorsal 
margin. Venter black, shining. 
FEMALE.—Length 3.80, width 1.40; very 
similar to male. 
Foop PLANT.—Sugar maple (Acer saccha- 
rum). 
Known Distrispution.—lIllinois, Minne- 
sota, New York. 
Illinois Record.—Zion: 
Frisonicfal., 1 4s 108 
Knight (1923d, 
elongatus 
uly 6 eel 952; 
Microphylellus longirostris Knight 
Microphylellus longirostris Knight (1923d, 
p. 458). 
This species is very similar to elongatus 
Knight, but has the rostrum distinctly 
longer: it extends beyond the hind coxae to 
near the middle of the venter. 
Mave.—Length 3.80, width 1.25. Head 
black, width 0.61; vertex and area border- 
V ol. 227 Arta 
ing eyes paler, 0.32. Rostrum reaching to 
middle of venter; yellowish, apex and basal 
segment black. Antennae, first segment, 
length 0.28, fuscous at base; second, 1.22, 
yellow; third, 0.86, yellowish to dusky; 
fourth, 0.44, dusky. Pronotum, length 0.64, 
width at base 1.11; black, strongly shining. 
Scutellum and ventral surface black. Hem- 
elytra uniformly black, strongly shining; 
clothed with minute, dusky to black pubes- 
cence; emboliar margins nearly straight. 
Membrane and veins uniformly fuscous, 
apex of cuneus scarcely paler. Legs straw 
colored to yellowish, devoid of black spots; 
bases of hind coxae and apices of tarsi fus- 
cous. Venter black, strongly shining. 
FEMALE.—Length 3.90, width 1.34; very 
similar to male in form and coloration. 
Foop PLantr.—Hazelnut (Corylus ameri- 
cana); a single specimen was collected on 
hickory (Carya ovata). 
KNown  DistriBuTION. — Illinois, Lowa, 
Minnesota, New England, New York. 
Illinois Records.—Thirty-two males and 
42 females, taken June 3 to July 27, are 
from Algonquin, Antioch, Dolson, Eliza- 
beth, Galena, Galesburg, Grandview, Har- 
din, Monticello, Oregon, Palos Park, White 
Pines Forest State Park. 
Microphylellus tumidifrons Knight 
Microphylellus tumidifrons Knight (1923d, 
p. 455). 
Known only from Nova Scotia. 
Microsynamma Fieber 
Microsynamma bohemanni (Fallen) 
Phytocoris bohemanni Fallen (1829, p. 106). 
This species is distinguished from others 
by its broad, flat vertex with a basal carina. 
Matet.—Length 4.00, width 1.60. Head 
width 0.84, vertex 0.43; vertex flat, basal 
carina distinct, an impressed mark evident 
on either side near eye; head mostly black, 
with juga and a broad area bordering front 
of eyes and sides of vertex, yellowish. 
Rostrum, length 1.51, extending nearly to 
tips of hind coxae. Antennae, first segment, 
length 0.23; second, 1.03; third, 0.52; fourth, 
0.30; black. Pronotum, length 0.64, width 
at base 1.21; black, with area between and 
behind calli, and spot on either side in front 
of calli, pallid to yellowish. Dorsum clothed 
with fine, short, yellowish, simple pubes- 
