Eupyrene sperm migrates to spermatheca after apyrene sperm in the swallowtail butterfly, Papilio xuthus L. (Lepidoptera: Papilionidae)

Mass and production rate of ejaculates in relation to monandry/polyandry in butterflies

L. Sv�rd, Christer Wiklund · Behavioral Ecology and Sociobiology · 1989 · 258 citations

Life Sciences, Physiology, Zoology +9

Eunuchs: The Role of Apyrene Sperm in Lepidoptera?

Robert E. Silberglied, Julian Shepherd, Janis L. Dickinson · The American Naturalist · 1984 · 216 citations

Life Sciences, Biology, Entomology +10

Sperm Size or Numbers? Effects of Nutritional Stress Upon Eupyrene and Apyrene Sperm Production Strategies in the Moth Plodia interpunctella (Lepidoptera: Pyralidea)

Matthew J. G. Gage, Penny A. Cook · Functional Ecology · 1994 · 211 citations

Life Sciences, Biology, Entomology +17

Non-fertile sperm delay female remating

Penny A. Cook, Nina Wedell · Nature · 1999 · 210 citations · Full text

Life Sciences, Genetics, Fertility +5

Effects of spermatophores on male and female monarch butterfly reproductive success

Karen S. Oberhauser · Behavioral Ecology and Sociobiology · 1989 · 183 citations

Life Sciences, Biology, Entomology +12