Comparison of wing interference patterns of the males of armored scale insect species (Hemiptera:Sternorrhyncha:Diaspididae) from coconut and their undergrowth plants in selected areas of Laguna and Quezon, Philippines

Issue Date

10-2015

Abstract

Armored scale insect species from coconut palms and their undergrowth plants in selected areas in Laguna and Quezon were collected. Four species were identified from coconut, lanzones, atis, avocado, banana, mangosteen and orchid. Wings of male armored scale insects were mounted on slides and analyzed for character variations of venations, microtrichia, venation hairs and light interference patterns. Results showed a reduction in the wing venation, widely distributed microtrichia and long and thick venation hairs. Microstructures like microtrichia, together with the uneven membrane thickness, effected the color variation and shape of pattern of the wings. The intensity of light received was considered, as well as the background where the patterns were displayed. The Wing Interference Pattern (WIP) differed in terms of color - - from blue to purple and yellow to orange or green. Three color wing interference patterns were determined. The study showed that WIP was very important in the identification of armored scale insects at the generic level.

Source or Periodical Title

The Philippine Entomologist

ISSN

0048-3753

Volume

29

Issue

2

Page

114-122

Document Type

Article

Frequency

semi-annually

Physical Description

illustrations ; tables

Language

English

En – AGROVOC descriptors

COCCOIDEA; COCOS NUCIFERA; SPECIES; PESTS OF PLANTS; WINGS; MALES; UNDERGROWTH; PHILIPPINES

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