September, 1941 
nal segment slightly swollen at 
apex, so as to become as wide as 
pe oho te aah ial Ted tele. ey" Siete he tegen 
ht By See Rhinocapsus, p. 40 
General color brown to black; second 
antennal segment linear, not so 
wide as first segment, fig. 86...... 
eae Microphylellus, p. 40 
20. Mesopleuron with flattened, scalelike 
fl es CeNCOm a) ©. Psallus, p. 43 
Mesopleuron always without  flat- 
Penec @ccalcliikes pubescence...) 4; 
....Plagiognathus, p. 26 
Campylomma Reuter 
Campylomma verbasci (Meyer) 
Capsus verbasci Meyer (1843, p. 70). 
Mave.—Fig. 87. Length 2.50, width 1.10. 
General color pale testaceous to yellowish, 
mesoscutum and base of scutellum becoming 
eae 
j 
Fig. 87.—Campylomma verbasci, &. 
fulvous, disk of cuneus pale fuscous. Tylus, 
apical half of first antennal segment and 
slender area at base of second, large spots 
on femora and tibiae, black. Body beneath 
dark brown; clothed with simple, dusky to 
blackish pubescence. Membrane uniformly 
pale smoky. 
FEMALE.—Length 2.90; width 1.30. 
Hosr PrLants.—In Illinois the common- 
est host is mullein (Verbascum sp.). This 
KNIGHT: PLANT Bucs, or MiripAg,-oF ILLINOIS 25 
insect has been taken also on Verbena stricta 
and Brassica nigra. It is known to breed 
occasionally on apple (Pyrus malus) ; some- 
times it is attracted to colonies of aphids, 
where it feeds on their honeydew. 
KNowNn DIstTRIBUTION.—A common spe- 
cies in the eastern United States and Can- 
ada. This species came originally from Eu- 
rope, but has long been established in North 
America. It is quite common almost every- 
where mullein grows. 
Illinois Records.— One hundred seven 
males and 84 females, taken May 30 to 
Aug. 1, are from Antioch, Arcola, Bloom- 
ington, Delavan, Galena, Kankakee, Monti- 
cello, Mount Carroll, Starved Rock State 
Park “Urbana. 
Chlamydatus Curtis 
KEY 1O;SPECIES 
1. All femora black, with narrow areas 
at tips light yellowish; length 2.00-— 
EEO O Shen ree er en ee suavis, p. 26 
Front and middle femora more or less 
VCLLO Wits lt Pety, 2-5 athe eam 2 6 = Sg 2 
i) 
Front and middle femora clear yellow, 
hind femora black with apex yellow; 
lenethe? Spee associatus, p. 25 
All femora black with apical one-third 
vellowiremare, amie: pulicarius, p. 26 
Chlamydatus associatus (Uhler) 
Agalliastes associatus Uhler (1872, p. 419). 
Apu tts.—Length 2.50, width 1.00. Body 
mostly black. Front and middle legs, hind 
tibiae and first two segments of all tarsi, 
yellowish. Third and fourth antennal seg- 
ments pale fuscous. 
Foop PLant.—Ragweed (Ambrosia sp.). 
KNown DISTRIBUTION.—Commonly 
found in the United States and Canada 
wherever ragweed grows. 
Illinois Records.—N inety-nine males and 
86 females, taken May 14 to Nov. 1, are 
from Algonquin, Allerton, Alton, Amboy, 
Antioch, Bloomington, Centralia, Cham- 
paign, Chicago, Decatur, Delavan, Dubois, 
Elizabethtown, Galena, Galesburg, Graf- 
ton, Grand Detour, Grand Tower, Hardin, 
Harrisburg, Havana, Herod, Keithsburg, 
Lawrenceville, Monticello, Murphysboro, 
Normal, Oak Lawn, Oakwood, Oquawka, 
Oregon, Quincy, Rockford, Rockton, St. 
Anne, St. Joseph, Savanna, Springfield, 
