96 ItLInois NATURAL History SuRvEY BULLETIN 
at posterior margin. ...catulus, p. 97 
Hemelytra and scutellum greenish; 
length of second antennal segment 
greater than width of pronotum at 
posterior margin; membrane dusky; 
Veinsiand areoles-oreen ans a) eel ae 
Sees eae eee flavosparsus, p. 96 
Melanotrichus flavosparsus (Sahlberg) 
Phytocoris flavosparsus Sahlberg (1842, p. 
411). 
Mare.—Lenegth 4.00, width 1.30. Head 
width 0.69, vertex 0.55. Antennae, first seg- 
ment, length 0.28; second, 1.21. Pronotum, 
FLAVOSPARSUS 
= 
Fig. 126.—Male genital claspers of Me/an- 
otrichus. A, left clasper; C, right clasper. 
length 0.45, width at base 0.95. General 
color clear green, becoming yellowish on 
callosities, head and ventral surface; mem- 
brane dusky; areoles and veins green. 
Clothed with simple, erect, bristlelike, fus- 
cous pubescence, intermixed with spots of 
silvery, sericeous pubescence. Genital clasp- 
ers as in fig. 126. 
FEMALE.—Length 4.00, width 1.50. Head 
width 0.80, vertex 0.43. Antennae, first seg- 
ment, length 0.30; second, 1.25. Pronotum, 
length 0.56, width at base 1.21. Color and 
pubescence similar to those of male. 
Foop PLants.—Lamb’s quarter, known 
likewise as pigweed (Chenopodium album) ; 
also, Illinois specimens were collected on 
hawthorn (Crataegus sp.), beet (Beta vul- 
garis), willow (Salix sp.), cypress (Taxo- 
dium distichum), spruce (Picea sp.) and 
sunflower (Helianthus sp.). Some of these 
records are undoubtedly accidental. 
KNown DISTRIBUTION. — Common over 
the eastern United States. 
Illinois Records. — One hundred forty 
males and 174 females, taken May 12 to 
Oct. 9, are from Algonquin, Alton, Alto 
Pass, Anna, Antioch, Arcola, Beardstown, 
Bloomington, Champaign, Chicago, Clayton, 
Colona, Delavan, Des Plaines, Dixon, Dol- 
Vol..22, Aria 
Dongola, Elizabeth, Elizabethtown, 
Forest City, Galena, Gales- 
burg, Grafton, Grand Detour, Grand 
Tower, Grandview, Hatton, Havana, 
Kampsville, Kankakee, Karnak, Keithsburg, 
Meredosia, Momence, Monticello, Mount 
Carroll, Quincy, Rising, St. Anne, St. 
Joseph, Savanna, Starved Rock State Park, 
Tremont, Urbana, York, Zion. 
son, 
Fairmount, 
Melanotrichus althaeae (Hussey) 
Hollyhock Plant Bug _ 
Orthotylus (Psallus) delicatus Cook (1891, 
p. 10). Preoccupied. 
Orthotylus althaeae Hussey (1924, p. 165). 
Mae.—Length 4.10, width 1.30. Head 
width 0.75, vertex 0.39. Antennae, first seg- 
ment, length 0.44; second, 1.51. Pronotum, 
length 0.61, width at base 1.14. General 
color deep apple green; calli, head and ven- 
tral surface yellowish; membrane, including 
areoles, fuscous; veins green. Clothed with 
simple, erect, pale pubescence intermixed 
with deciduous, black, sericeous or scalelike 
pubescence. 
FEMALE.—Fig. 127. Length 3.80, width 
1.34. Color and pubescence similar to those 
of male. 
Host PLant.—Cultivated hollyhock (A/- 
- Fig. 127.— Melanotrichus althaeae, @. 
