76 Ittinois NATURAL History SURVEY BULLETIN 
Parthenicus Reuter 
KE VeLOLSPBRCLES 
1. Body color fuscous to black; first an- 
tennal segment black, second seg- 
Ment. paler srt nigrellus, p. 77 
Body straw colored to yellowish; an- 
tennac! pales a. ah eon ee 4, 
2. Body and legs uniformly pale yellow- 
ish or pinkish, without flecks or dots 
SE eR YA: COREA taxodii, p. 76 
Body more or less pale, hind femora 
pale fuscous, usually sprinkled with 
reddish dots; scutellum fuscous; 
CUneUs tin tedawith coders anne 
Parthenicus juniperi (Heidemann) 
Psallus juniperi Heidemann (1905, p. 49). 
Mave.—Fig. 110. Length 3.00, width 
1.00. General color pale yellowish. Cuneus, 
apical one-third of corium and base of head 
tinged with reddish, color sometimes sepa- 
rating into specks; femora pale fuscous, 
sprinkled with reddish; scutellum and base 
of clavus darkened with fuscous. Body 
clothed with fine, erect, golden pubescence, 
ARS XS 7 
| vi VE 
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STAT AMLANS 
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Fig. 110.-—Parthenicus juniperi, o. 
V ol. 22, Art. I 
intermixed with more closely appressed, 
scalelike, golden hairs, the hairs tending to 
silvery on scutellum and on transverse area 
extending across corium at tip of clavus; 
pubesence becoming black across apex of 
corium and forming a spot on inner edge 
of cuneus at middle and at base; membrane 
uniformly infuscated and iridescent. 
FEMALE.—Very similar to male in form 
and color. 
Foop PLAantT.—Red cedar (Juniperus vir- 
giniana). 
Known DistrinuTion.—Ranges widely 
east of the 100th meridian, occurring nearly 
everywhere red cedar grows in natural 
stands. 
Illinois Records. — Twenty-one males 
and 108 females, taken June 10 to July 25, 
are from Alton, Antioch, Eichorn, Ernst, 
Galena, Golconda, Grayville, Hillsboro, 
Kampsville, Karnak, Keithsburg, Oquawka, 
Starved Rock State Park, Urbana, White 
Pines Forest State Park. 
Parthenicus taxodii new species 
This may be distinguished from allied 
species by its small size, its uniformly yel- 
lowish salmon color and its pale fuscous 
membrane. 
Mare.—Length 2.00, width 0.90. Head 
width 0.54, vertex 0.17. Rostrum, length 
0.73, extending very slightly behind pos- 
terior coxae. Antennae yellowish to dusky; 
length of first segment, 0.13; second, 0.73; 
third, 0.43; fourth, 0.30. Pronotum, length 
0.34, width at base 0.73: Dorsum clothed 
with deciduous, silvery to golden, sericeous 
pubescence intermixed with more nearly 
erect, simple, pale pubescence. General col- 
oration rather uniformly yellowish to salm- 
on; strongly colored specimens may have 
scutellum dusky and clavus tinted salmon 
pink; membrane uniformly pale fuscous; 
veins yellowish. 
FEMALE.—Length 2.20, width 0.91. Head 
width 0.47; vertex 0.26. Pronotum, length 
0.32, width at base 0.75. Antennae, length 
of first segment, 0.13; second, 0.70; third, 
0.40; fourth, 0.29. Form more robust than 
that of male, but very similar in pubescence 
and coloration. 
Foop PLANtT.—Bald cypress (Taxodium 
distichum). 
Holotype, male.—Karnak, Ill.: July 26, 
1930, on Taxodium distichum, Knight & 
Ross. 
