Hesperiidae of Rondônia, Brazil: "Antigonus" genus group (Pyrginae), with taxonomic comments and descriptions of new species from Brazil and Guatemala

1 - 28

George T. Austin

Decline in the frequency of the white morph of the monarch butterfly (Danaus plexippus plexippus L.,  Nymphalidae) on Oahu, Hawaii

29 - 32

John Stimson & Maiko Kasuya

Range extension of Doleschallia tongana (Nymphalidae) to the Samoan archipelago, with notes on its life history and ecology

33 - 35

Robert P. Cook & Don Vargo

Book Review: The Butterflies of Costa Rica and their Natural History

36 - 37

Harold F. Greeney

Book Review: Microlepidoptera of Europe, volume 1, Pterophoridae

36

Deborah L. Matthews

Book Review: Melanism: Evolution in Action

38

Arthur M. Shapiro

Book Review: Gelechiidae I (Gelechiinae: Teleiodini, Gelechiini)

39

Ronald W. Hodges

Manuscript reviewers, 1999

40

Two new genera in the neotropical riodinid tribe Nymphidiini (Riodinidae)

41 - 46

Jason P. W. Hall

Boreal Olethreutini 2. (Tortricidae): wing and genitalia illustrations, a new synonymy, and a new holarctic addition

47 - 51

William E. Miller & Jukka Jalava

Pyrgus communis and Pyrgus albescens(Hesperiidae: Pyrginae) are separate transcontinental species with variable but diagnostic valves

52 - 71

John M. Burns

A new species of Omiodes Guenée from South America (Pyraloidea: Crambidae)

72 - 75

M. Alma Solis & Patricia  Gentili

Revista de Theclinae Colombianos/Review of Colombian Theclinae

76 - 76

S. S. Nicolay

Ontogenetic changes in leaf shelter construction by larvae of Epargyreus clarus (Hesperiidae), the silverspotted skipper

77 - 82

Eric M. Lind, Meg T.  Jones, Jeremy D. Long & Martha R. Weiss.

Reproductive output and egg maturation in relation to mate-avoidance in monandrous females of the small copper, Lycaena phlaeas (Lycaenidae)

83 - 87

Mamoru  Watanabe & Miyuki  Nishimura

Descriptions of the immature stages and oviposition behavior of Pyrrhogyra otolais (Nymphalidae)

88 - 90

Harold F. Greeney & Nicole M. Gerardo

Effects of adult feeding and temperature regime on fecundity and longevity in the butterfly Lycaena hippothoe (Lycaenidae)

91 - 95

Klaus Fischer & Konrad Fiedler

Notes on the behavior of Speyeria idalia (Drury) (Nymphalidae) larvae with implications that they are diurnal foragers

96 - 97

Brian J. Kopper, David C. Margolies & Ralph E. Charlton

Biology of Adelpha mythra feeding on Asteraceae, a novel plant family for the neotropical Limenitidinae (Nymphalidae), and new data on Adelpha "Species-group VII"

97 - 100

Andre Victor Lucci Freitas, Keith S. Brown, Jr. & Annette Aiello

Book Review: Hawkmoths of the World: an Revisionary Checklist (Lepidoptera: Sphingidae)

101

Andrew V. Z. Brower

Book Review: Checklist of the Geometridae (Lepidoptera) of the former U.S.S.R.

102

George J. Balogh

Book Review: The Moths of Borneo, part 9, family Geometridae (Incl. Orthostixini), subfamilies Oenochrominae, Desmobathrinae, Geometrinae, and Ennominae addenda

102 - 104

George J. Balogh

Immature stages of the marbled underwing, Catocala marmorata (Noctuidae)

107 - 110

John W. Peacock & Lawrence F. Gall

Taxonomic clarification of Notocelia rosaecolana (Doubleday) and N. trimaculana (Haworth) (Tortricidae)

111 - 118

William E. Miller, Richard L. Brown & Kevin R. Tuck

The genus Hypophylla Boisduval, 1836 (Riodinidae) with descriptions of new taxa

119 - 130

Curtis John Callaghan

Suitability of four families of Florida "bay" species for Papilio palamedes and P. glaucus (Papilionidae)

131 - 136

J. Mark Scriber, Nicolas  Margraf & Tammy Wells

On the use of ultraviolet photography and ultraviolet wing patterns in butterfly morphology and taxonomy

137 - 144

Helge Knüttel & Konrad Fiedler

Larval description and hostplant record for Ithomia diasia Hewitson (Nymphalidae: Ithomiinae) in Panama

145 - 146

Robert B. Srygley & Carla M. Penz

Book Review: Insectorum Sive Minimorum Animalium Theastrum: the Butterflies and Moths

147

P. C. Barnard

Book Review: Microlepidoptera of Europe, Volume 2, Scythrididae

Jean-François  Landry

Index to Volume 54

149 - 150