Lepidoptera of the central Brazil plateau. II. New genera, species, and subspecies of Hesperiidae

1 - 20

O. H. H. Mielke

Thymelicus lineola (Hesperiidae) in Indiana

20

E. M. Shull

Thymelicus lineola (Hesperiidae) in Illinois

21 - 26

R. R. Irwin

Incisalia henrici in Manitoba and Minnesota (Lycaenidae)

26

J. H. Masters

Study of fluorescent pigments in Lepidoptera by means of paper partition chromatography

27 - 40

G. W. Rawson

Notes on Euchloe ausonides mayi (Pieridae) in Ontario

40 - 41

J. C. E. Riotte

Description of the male of Lithophane gausapata (Noctuidae)

42 - 45

J. S. Buckett

The population biology and life history of Papilio indra martini

46 - 52

J. F. Emmel & T. C. Emmel

Illustrated life history and notes on Papilio oregonius

53 - 56

S. F. Perkins, E. M. Perkins & F. S. Shininger

Letters from Dr. H. H. Behr to Herman Strecker

57 - 62

F. M. Brown

Overwintering of monarch butterflies as a breeding colony in southwestern Arizona

63 - 64

R. S. Funk

Annual meeting of the Lepidopterists' Society

64

A brief review of the principles of light trap design with a description of an efficient trap for collecting noctuid moths

65 - 75

D. F. Hardwick

Life history of Dryas julia delta (Heliconiinae)

75 - 76

Mike A. Rickard

Notes about North American butterflies described by Linnaeus in the Tenth Edition of Systema Naturae, 1758

77 - 88

F. Martin Brown

A distributional analysis of the butterflies of Contra Costa County, California

89 - 107

P. A. Opler & R. L. Langston

Obituary: Helen Lee Lemmon (1916-1967)

108 - 110

John H. Masters

Book Review: Guide to the Geometridae of Canada (Lepidoptera)

110

Charles V. Covell, Jr.

Notes and observations on the biology and host preferences of Vanessa tameamea (Nymphalidae)

111 - 114

G. A. Gorelick & R. S. Wielgus

The pupa of Polydorus aristolochiae (Papilionidae)

115 - 118

G. H. Munshi & S. A. Moiz

A migration of Vanessa cardui (Nymphalidae) in Ohio

118 - 119

Louis A. Hoying

Addenda to the list of the butterflies of Michigan

119 - 120

Owen A. Perkins

A collecting trip to northern Queensland, Australia

121 - 122

Douglas Marsden

First record of larval foodplant in Texas for Everes comyntas (Lycaenidae)

122

Joseph F. Doyle III

Obituary: Erich M. Hering (1893-1967)

123 - 124

H. J. Hannemann

Some aspects of mating behavior in butterflies

125 - 132

Lee D. Miller & Harry K. Clench

New moths from Texas (Noctuidae, Tortricidae)

133 - 145

Andre Blanchard

An extreme experimental aberration of Vanessa cardui (Nymphalidae)

146

Thomas Dimock

Lepidoptera of the central Brazil plateau. III. Partial list for the Belo Horizonte area, showing the character of the southeastern "blend zone"

147 - 157

K. S. Brown, Jr. & O. H. H. Mielke

Eustixia pupula (Pyralidae) on Cruciferae

157 - 158

Arthur M. Shapiro

An aberrant Colias from Minnesota (Pieridae)

158

John H. Masters

New records, range extensions, and field data for Colorado butterflies and skippers

159 - 171

J. A. Scott, S. L. Ellis & D. Eff

An extraordinary swarm of butterflies in Colorado

172

Robert M. Pyle

The effect of X-irradiation on the larvae of Papilio polyxenes asterius (Papilionidae)

173 - 177

Richard A. Arnold & Arthur Arnold

Apparent partial courtship between Megathymus yuccae coloradensis and M. streckeri (Megathymidae)

177 - 178

Michael Toliver

Biological notes on three pyrginae in New York (Hesperiidae)

179 - 180

Arthur M. Shapiro

Variations of Cercyonis pegala pegala (Satyridae) in New Jersey

180 - 182

Joseph Muller

Mass one-directional flight of cloudless sulfurs (Pieridae) in Alabama and Mississippi

182

Edward N. Lambrernont

Some observations on and description of Polydorus aristolochiae (Papilionidae)

183 - 185

G. H. Munshi & S. A. Moiz

Color variant of Callosamia promethea (Saturniidae) in New York

185 - 186

Allen M. Young

Book Notice: Annotationes Rhopalocerologicae

187 - 188

F. M. Brown

Records of two species of exotic Lepidoptera captured in California

187

J. W. Tilden

Book Review: Wings in the Meadow

188

Paul A. Opler

Hesperocharis longstaffi (Pieridae) rediscovered in Venezuela

189 - 191

John H. Masters

Winter survival of Pieris rapae at The Pas, Manitoba

191

Walter V. Krivda

Obituary: Richard M. Fox (1911-1968)

192 - 195

F. Martin Brown

International Commission on Zoological Nomenclature Notice

195

Obituary: Helen Lee Lemmon (1916-1967)

196

Robert M. Pyle

The evolution and biological significance of multiple pairing in Lepidoptera

197 - 209

Roger W. Pease Jr

Obituary: Leonard Stevens Phillips (1908-1968)

209 - 210

Roderick R. Irwin

The effect of barometric pressure and other factors on eclosion of the cabbage butterfly Pieris rapae (Pieridae)

211 - 225

J. M. Kolyer & H. B. Palmer

Foodplants of Callophrys (Incisalia)iroides (Lycaenidae)

225 - 226

Jerry A. Powell

Butterflies from Coahuila, Mexico

227 - 231

Harry K. Clench

Continuous variation in related species of the genus Catocala (Noctuidae)

231 - 236

M. S. Adams & M. S. Bertoni

The life history and habits of Chlosyne fulvia (Nymphalidae)

237 - 240

James A. Scott

A taxonomic list of philatelic Lepidoptera

241 - 252

Sidney A. Hessel

First records of two butterflies in Wisconsin (Nymphalidae, Pieridae)

252

John H. Masters

Two variant females of Colias (Zerene) cesonia (Pieridae)

253

Dwight Bennett

Sounds produced by Neptis hylas (Nyphalidae)

254

Frederick W. Scott

Index to Volume 22

255 - 260