Issue Date

10-2013

Abstract

The morphometrics of four genital traits were examined among the 27 local populations of Asian corn borer (ACB), Ostrinia furnacalis (Guenee). Comparison in measurements of genital traits, namely: aedeagus, sacculus and valva lengths and clasper width, showed significant differences among and within the local populations compared. Cluster analysis based on percent correct classification revealed four groups within ACB populations with 96% accuracy. However, the more sensitive jackknife correct classification analysis revealed that the groups formed were 85% accurate. The results also showed that groups were formed regardless of geographical distance. The variations in genital traits of the different ACB populations can be attributed possibly to their adaptive mechanisms to their respective localities.

Source or Periodical Title

The Philippine Entomologist

ISSN

0048-3753

Volume

27

Issue

2

Page

134-150

Document Type

Article

Frequency

semi-annually

Physical Description

illustrations ; tables

Language

English

En – AGROVOC descriptors

OSTRINIA FURNACALIS; PESTS OF PLANTS; PEST INSECTS; GENITALIA; ANIMAL MORPHOLOGY; MEASUREMENT; PHILIPPINES

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