MALE INSECT-PARASITIC NEMATODES - A COLONIZING SEX

被引：47
|
作者：
GREWAL, PS
SELVAN, S
LEWIS, EE
GAUGLER, R
机构：
[1] Department of Entomology, Rutgers University, New Brunswick, 08903-0231, New Jersey
来源：
EXPERIENTIA | 1993年 / 49卷 / 6-7期
关键词：
NEMATODA; INSECT PARASITES; REPRODUCTIVE STRATEGIES; HOST-FINDING; MATE RECRUITMENT; REPRODUCTIVE SUCCESS; RISK FACTORS;
D O I：
10.1007/BF01955173
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
An adaptive strategy enhancing reproductive success is described for parasitic nematodes. Male infective juveniles of insect-parasitic nematodes, Steinernema spp. (Rhabditida: Steinernematidae) are dispersers, and take greater risks than females during the host-finding phase of parasitism. They disperse, locate, and establish in distant live hosts before females. Parasitism by male infective juveniles renders the infected hosts suitable for nematode development, and more attractive to female infective juveniles. Such 'recruitment' may be a strategy to protect the nematodes against uncertainties of mate finding, thereby enhancing reproductive success.
引用
收藏
页码：605 / 608
页数：4
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