Dione vanillae: Holland 1931:79. 
Illinois records.—Map 92. 
Turner (1963) described a colony of vanillae which 
survived for three winters in west-central Missouri. The 
species may therefore occasionally breed in southern 
Illinois at approximately the same latitude. The finding 
of larvae at Alton, Madison County, supports this belief 
(P. S. Remington 1951). McNeese reported seeing sev- 
ral vanillae at Centreville, St. Clair County (personal 
ommunication) ; he took a newly emerged male on Sep- 
ember 2, 1966 (INHS) (Fig. 3). Two species of the 
10st plant, passionflower (Passiflora) occur in southern 
llinois—P. incarnata as far north as St. Clair, Wayne, 
and Wabash counties, and P. lutea throughout the south- 
rn half of the state as far north as Champaign and Ver- 
nilion counties (Jones & Fuller 1955). The Kane 
Jounty record, and possibly the Cass and Champaign 
Jounty records, are probably of strays. Illinois vanillae 
re assigned to the subspecies nigrior Michener on the 
thority of Klots (1951). 
DANAIDAE 
Danaus plexippus (Linnaeus) 
Monarch, milkweed butterfly 
‘apilio plexippus Linnaeus 1758:471 (type-locality re- 
stricted to “Pennsylvania” by the International Com- 
mission on Zoological Nomenclature, Opinion 282, 
October 1, 1954). 
Janats archippus: Worthington 1880:47. 
Janais plexippus: Holland 1931:68. 
Janaus plexippus: Klots 1951:77; dos Passos 1964:98 
(No. 631). 
Illinois records.—Map 93. 
The monarch is familiar to nearly everyone. It is 
sually common to abundant but sometimes variable in 
umbers from year to year. The well-known migratory 
attern characteristic of the butterfly is frequently ob- 
tved in Illinois in the autumn. We refer all Illinois 
lexippus to the nominate subspecies on the advice of 
Jots (1951); the record by Clark (1941) of D. p. 
elanip pe (Hiibner) from Decatur, Macon County, 
ould probably be regarded as an individual variant ap- 
roaching the appearance of melanippe. The species has 
en recorded from April 20 through November 13. 
Danaus gilippus strigosus Bates 
Queen 
anais strigosa Bates 1864:32 (type-locality “Guate-. 
mala’) , 
anais berenice strigosa: Holland 1931 69, 
anaus gilippus strigosus: Klots 1951:78; dos Passos 
1964:98 (No. 633b). 
Illinois records—Coox County: Palos Park, in 
Id, September 9, 1928, Henderson (AKW). 
Wyatt informed us that he had seen this specimen 
id that it is an authentic record. Although undoubted. 
4 casual stray, not forming a part of the Illinois butter- 
fauna, the species has also been taken in Ohio 
rilbert 1960). 
31 
SATYRIDAE 
Lethe portlandia anthedon (Clark) 
Pearly eye 
Enodia portlandia anthedon Clark 1936a:255 ( type- 
locality “Lava, Sullivan County, New York”). 
Debis portlandia: Worthington 1880:48. 
Enodia portlandia: Holland 1931:177. 
Lethe portlandia anthedon: Klots 1951:66; dos Passos 
1964:99 (No. 636c). 
Illinois records.—Map 94. 
This butterfly is extremely local, strongly limited to 
woodland environments, and often common where 
found. Exceedingly swift and wary, it is often difficult 
to capture. 
All Ilinois material which we have studied, includ- 
ing that from the southernmost portion of the state, 
represents L. p. anthedon. The nominate subspecies had 
been expected to occur in extreme southern Illinois, but 
no Illinois specimens thus far known appear to be as- 
signable to that taxon. L. p. portlandia is associated with 
cane (Arundinaria), which occurs in the southern third 
of Illinois; L. p. anthedon evidently utilizes other grasses 
which are generally distributed throughout Illinois. Ex- 
treme dates of capture are April 7 and September 14, 
though the validity of the former date, a record from 
Elk Grove, Cook County, appears questionable. The 
next earliest date is May 24. The species is probably 
double-brooded in Illinois, appearing in numbers in 
early June and again about mid-August. 
Lethe creola (Skinner) 
Creole pearly eye 
Debis creola Skinner 1897 :236 (type-locality “Opelousas, 
Louisiana’) . 
Enodia creola: Holland 1931:177. 
Lethe creola: Klots 1951:67; dos Passos 1964:99 (No. 
637). 
Illinois records.—FRANKLIN County: Benton, June 
20, 1963 (SIU). Jackson County: Murphysboro, 
August 4, 1963 (SIU). Pope Country: Lusk Creek, 
near Eddyville, August 12, 1967, Richardson (JCD). 
SALINE County: Stonefort, July 3, 1954, July 4, 1958, 
August 1, 1959, August 10, 1959, August 30, 1954 
(SIU). Union County: Pine Hills, September 1, 1966, 
Downey (INHS) (Fig. 3). 
Most butterfly manuals include Illinois in the range 
of creola, but apparently on the basis of a misidentified 
specimen of L. anthedon reported by Clark (1935, 
1936a) from Palos Park, Cook County (Irwin 1970). 
The finding of true creola in southern Illinois, where it 
is established, allows the state record to be retained. It 
is associated with cane (Arundinaria), and restricted to 
southern Illinois where the plant occurs. 
Lethe eurydice (Johansson) 
Eyed brown 
Papilio eurydice Johansson 1763:406 (type-locality re- 
stricted to “Morris Arboretum, Philadelphia County, 
Pennsylvania” by Cardé, Shapiro, & Clench 1970:74 
by designation of neotype). 
