SEASONAL ECOLOGY OF APHIDIUS-NIGRIPES (HYMENOPTERA, APHIDIIDAE), A PARASITOID OF MACROSIPHUM-EUPHORBIA (HOMOPTERA, APHIDIDAE)

被引:28
作者
BRODEUR, J [1 ]
MCNEIL, JN [1 ]
机构
[1] UNIV LAVAL, DEPT BIOL, ST FOY G1K 7P4, PQ, CANADA
关键词
APHIDIUS-NIGRIPES; PARASITOID; SEASONAL ECOLOGY;
D O I
10.1093/ee/23.2.292
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Aphidius nigripes Ashmead is the most common parasitoid attacking the potato aphid Macrosiphum euphorbiae (Thomas) in eastern North America. In field and insectary experiments, >87% of A. nigripes prepupae successfully overwintered. Spring emergence occurred from mid-April to mid-May, the period during which diapausing M. euphorbiae eggs are hatching on primary hosts. Data obtained from sticky traps indicate that both aphid and parasitoid enter the potato agroecosystem in early June, suggesting that one or several generations occur on primary host plants in the spring. The number of males captured in sticky traps containing virgin females indicated that the parasitoid is present in high numbers throughout the potato growing season. Diapause in A. nigripes was observed from mid-August, when aphids had migrated back to their primary host plants. Our results do not support the hypotheses that inability of the parasitoid to overwinter or host-parasitoid asyncrony explain why A. nigripes does not appear to have any major regulating effect on M. euphorbiae in the potato agroecosystem.
引用
收藏
页码:292 / 298
页数:7
相关论文
共 27 条
[1]  
[Anonymous], 1962, CONSPECTUS APHIDS VE
[2]   HOST BEHAVIOR-MODIFICATION BY THE ENDOPARASITOID APHIDIUS-NIGRIPES - A STRATEGY TO REDUCE HYPERPARASITISM [J].
BRODEUR, J ;
MCNEIL, JN .
ECOLOGICAL ENTOMOLOGY, 1992, 17 (02) :97-104
[3]   SEASONAL MICROHABITAT SELECTION BY AN ENDOPARASITOID THROUGH ADAPTIVE MODIFICATION OF HOST BEHAVIOR [J].
BRODEUR, J ;
MCNEIL, JN .
SCIENCE, 1989, 244 (4901) :226-228
[4]   BIOTIC AND ABIOTIC FACTORS INVOLVED IN DIAPAUSE INDUCTION OF THE PARASITOID, APHIDIUS-NIGRIPES (HYMENOPTERA, APHIDIIDAE) [J].
BRODEUR, J ;
MCNEIL, JN .
JOURNAL OF INSECT PHYSIOLOGY, 1989, 35 (12) :969-974
[5]   OVERWINTERING MICROHABITAT SELECTION BY AN ENDOPARASITOID (HYMENOPTERA, APHIDIIDAE) - INDUCED PHOTOTACTIC AND THIGMOKINETIC RESPONSES IN DYING HOSTS [J].
BRODEUR, J ;
MCNEIL, JN .
JOURNAL OF INSECT BEHAVIOR, 1990, 3 (06) :751-763
[6]   FECUNDITY, LONGEVITY, AND SEX-RATIO OF APHIDIUS-NIGRIPES (HYMENOPTERA, APHIDIIDAE) PARASITIZING DIFFERENT STAGES OF ITS HOST, MACROSIPHUM-EUPHORBIAE (HOMOPTERA, APHIDIDAE) [J].
CLOUTIER, C ;
MCNEIL, JN ;
REGNIERE, J .
CANADIAN ENTOMOLOGIST, 1981, 113 (03) :193-198
[8]   SEARCHING BEHAVIOR OF THE APHID PARASITOID APHIDIUS-NIGRIPES (HYMENOPTERA, APHIDIIDAE) FORAGING ON POTATO PLANTS [J].
CLOUTIER, C ;
BAUDUIN, F .
ENVIRONMENTAL ENTOMOLOGY, 1990, 19 (02) :222-228
[9]  
Krober T., 1991, Biocontrol News and Information, V12, P357
[10]   INSECT PESTS OF TOMATOES [J].
LANGE, WH ;
BRONSON, L .
ANNUAL REVIEW OF ENTOMOLOGY, 1981, 26 :345-371