Conspecific host discrimination by ovipositing Euphydryas editha butterflies: Its nature and its consequences for offspring survivorship

Population Ecology - Tập 27 Số 1 - Trang 87-98 - 1985
Duncan A. Mackay1,2
1Department of Zoology, The University of Texas at Austin, 78712 Austin, Texas, USA
2c/o School of Biological Sciences, Flinders University, 5042 Bedford Park, S.A., Australia

Tóm tắt

SummaryOvipositing E. editha butterflies display post‐alighting discrimination among patches of Collinsia torreyi, one of their major hosts in the General's Highway (GH) population at a montane site in California. Females tended to accept (i.e. oviposit on) dense patches of this host and to reject sparse patches. Possible behavioural mechanisms underlying this tendency are discussed. The consequences of this non‐random pattern of oviposition for egg and larval survivorship were investigated and no differences were found in the survivorship of larvae on acceptable and unacceptable collinsias.

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Population Ecology

Tập 27 Số 1

87-98

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