TY - JOUR
T1 - Kin-biased dispersal behaviour in the mango shield scale, Milviscutulus mangiferae
AU - Kasuya, Eiiti
N1 - Funding Information:
S. Akimoto, M. Fellowes, Y. Ishida, M. Kinoshita and N. Kumano made comments on the manuscript. S. Kawai identified the specimens. Thanks also to T. Yahara and members of the laboratory. This study was in part supported by Grant-in-Aid by Monbusho.
PY - 2000
Y1 - 2000
N2 - When fitness decreases with increasing density in a habitat, dispersal behaviour is expected to evolve. To avoid competition between kin, dispersal behaviour based on kin recognition should be more likely to occur when the individuals in a habitat are closely related. I tested this prediction with first-instar larvae (crawlers) of the mango shield scale, Milviscutulus mangiferae. The body size of adult females, a measure of fecundity, was larger when only one female was present on a leaf than when two were present. When I placed two crawlers on a leaf, they emigrated more frequently when they were siblings than when they were not related. I discuss the implication of the results for kin recognition in thelytokous parthenogenetic animals. (C) 2000 The Association for the Study of Animal Behaviour.
AB - When fitness decreases with increasing density in a habitat, dispersal behaviour is expected to evolve. To avoid competition between kin, dispersal behaviour based on kin recognition should be more likely to occur when the individuals in a habitat are closely related. I tested this prediction with first-instar larvae (crawlers) of the mango shield scale, Milviscutulus mangiferae. The body size of adult females, a measure of fecundity, was larger when only one female was present on a leaf than when two were present. When I placed two crawlers on a leaf, they emigrated more frequently when they were siblings than when they were not related. I discuss the implication of the results for kin recognition in thelytokous parthenogenetic animals. (C) 2000 The Association for the Study of Animal Behaviour.
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U2 - 10.1006/anbe.1999.1334
DO - 10.1006/anbe.1999.1334
M3 - Article
AN - SCOPUS:0033845426
VL - 59
SP - 629
EP - 632
JO - Animal Behaviour
JF - Animal Behaviour
SN - 0003-3472
IS - 3
ER -