Researches on Population Ecology
Vol. 29, No. 2, 1987

Contents

Trumble, J. T., J. V. Edelson, R. N. Story
Conformity and incongruity of selected dispersion indices in describing the spatial distribution of Trichoplusia ni (Hubner) in geographically separate cabbage plantings
155-166


Yasuda, H.
Differences in temporal utilization patterns of dung pats among three scarabaeid dung beetles
167-177


Yasuda, H.
Reproductive properties of two sympatric dung beetles, Aphodius haroldianus and A. elegans (Coleoptera: Scarabaeidae)
179-187


Ito, Y. and O. Iwahashi
An analysis of foundress group size in Ropalidia fasciata (Hymenoptera: Vespidae), with zero-truncated distributions
189-194


Valle, R. R., F. Nakasuji and E. Kuno
Effects of crowding on life history parameters of four green leafhoppers, Nephotettix spp. (Homoptera: Cicadellidae)
195-203


Matsumiya, Y. and K. Wada
A study on the community analysis using three-factorial data (time*site*species)
205-213


Nakamura, K.
Population study of the large 28-spotted ladybird, Epilachna vigintioctomaculata (Coleoptera: Coccinellidae)
215-228


Nakamura, K. and I. Abbas
Preliminary life table of the spotted tortoise beetle, Aspidomorpha miliaris (Coleoptera: Chrysomelidae) in Sumatra
229-236


Sota, T.
Mortality pattern and age structure in two carabid populations with different seasonal life cycles
237-254


Gokon, K., Y. Maeta and S. F. Sakagami
Seasonal changes in ovarian state in a eusocial halictine bee, Lasioglossum duplex, based on stages of the oldest oocytes in each ovariole (Hymenoptera: Halctidae)
255-269


Nishida, T..
Measurement of the opportunity for natural and sexual selection in a breeding population of the coreid bug (Colpula lativentris)
271-289


Takeda, H.
Dynamics and maintenance of collembolan community structure in a forest soil system
291-346


Shibata, E.
Oviposition schedules, survivorship curves and mortality factors within trees of two cerambycid beetles (Coleoptera: Cerambycidae), the Japanese pine sawyer, Monochamus alternatus Hope, and sugi bark borer, Semanotus japonicus Lacordaire
347-367