PREDATION OF ACACIA SEEDS BY BRUCHID BEETLES AND ITS RELATION TO ALTITUDINAL GRADIENT IN SOUTH-WESTERN SAUDI-ARABIA

被引：6

作者：

ABDULLAH, MAR

ABULFATIH, HA

机构：

[1] King Saud University, Abha Branch, College of Education, Abha

来源：

JOURNAL OF ARID ENVIRONMENTS | 1995年 / 29卷 / 01期

关键词：

SEED PREDATION; BRUCHID BEETLES; ALTITUDE GRADIENTS;

D O I：

10.1016/S0140-1963(95)80067-0

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 [生物信息与计算生物学]; 0713 [生态学];

摘要：

A study of the distribution of Acacia trees and bruchid seed beetles in southwestern Saudi Arabia revealed that different host-insect pairs occupied a specific range along an altitudinal gradient. Between sea level and 1750 m.a.s.l., the following host-insect pairs were recorded: A. tortilis-B. aurivilli; A. tortilis-B. sahelicus; A. ehrenbergiana-B. saudicus; A. asak, A. hamulosa, A. oerfota, and A. seyal are all attacked by different species of Bruchidius. Between 1750 and 2500m, the following host-insect pairs were recorded: A. negrii-B. arabius; A, gerrardii-B. arabius. The rate of seed predation varied among Acacia spp, but the highest were recorded in A. tortilis and A. ehrenbergiana.

引用

页码：99 / 105

页数：7

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