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Communication ecology of the webbing...

Takacs, Stephen Joseph.

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Communication ecology of the webbing clothes moth, Tineola bisselliella (Hummel) (Lepidoptera: Tineidae).

Record Type:	Electronic resources : Monograph/item
Title/Author:	Communication ecology of the webbing clothes moth, Tineola bisselliella (Hummel) (Lepidoptera: Tineidae)./
Author:	Takacs, Stephen Joseph.
Description:	166 p.
Notes:	Source: Dissertation Abstracts International, Volume: 64-08, Section: B, page: 3704.
Contained By:	Dissertation Abstracts International64-08B.
Subject:	Biology, Zoology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NQ81693
ISBN:	0612816931

Communication ecology of the webbing clothes moth, Tineola bisselliella (Hummel) (Lepidoptera: Tineidae).
Takacs, Stephen Joseph.

Communication ecology of the webbing clothes moth, Tineola bisselliella (Hummel) (Lepidoptera: Tineidae). - 166 p.

Source: Dissertation Abstracts International, Volume: 64-08, Section: B, page: 3704.

Thesis (Ph.D.)--Simon Fraser University (Canada), 2002.

Webbing clothes moths, Tineola bisselliella, unlike most other moths, inhabit scarce, temporary, and often enclosed microhabitats (larval habitats) including dry carrion, animal lairs and bird nests. My objectives were to: (1) test the hypothesis that microhabitat characteristics have shaped the mating system of T. bisselliella; (2) investigate the suitability of microhabitat for larval development; (3) determine the semiochemicals that attract adult moths to larval habitat; (4) determine male- and female-produced communication signals; and (5) assess the relative importance of habitat- and insect-derived signals for mate encounter.

ISBN: 0612816931Subjects--Topical Terms:

1018632
Biology, Zoology.

Communication ecology of the webbing clothes moth, Tineola bisselliella (Hummel) (Lepidoptera: Tineidae).
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035 $a (UnM)AAINQ81693
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040 $a UnM $c UnM
100 1 $a Takacs, Stephen Joseph. $3 1949601
245 1 0 $a Communication ecology of the webbing clothes moth, Tineola bisselliella (Hummel) (Lepidoptera: Tineidae).
300 $a 166 p.
500 $a Source: Dissertation Abstracts International, Volume: 64-08, Section: B, page: 3704.
500 $a Adviser: G. Gries.
502 $a Thesis (Ph.D.)--Simon Fraser University (Canada), 2002.
520 $a Webbing clothes moths, Tineola bisselliella, unlike most other moths, inhabit scarce, temporary, and often enclosed microhabitats (larval habitats) including dry carrion, animal lairs and bird nests. My objectives were to: (1) test the hypothesis that microhabitat characteristics have shaped the mating system of T. bisselliella; (2) investigate the suitability of microhabitat for larval development; (3) determine the semiochemicals that attract adult moths to larval habitat; (4) determine male- and female-produced communication signals; and (5) assess the relative importance of habitat- and insect-derived signals for mate encounter.
520 $a The hypothesis that the spatial dispersion of microhabitat has shaped the T. bisselliella mating system was tested in a computer model that incorporates the relative abundance of microhabitat (i.e., distance to next microhabitat) and energy tradeoffs among habitat seeking, mate seeking, mate attracting, and fecundity. The model suggested that the T. bisselliella mating system is resource-based, and that males rather than females expend the most energy to attract mates.
520 $a Animal pelts with hair and hide were more suitable for larval development than hair or hide alone, demonstrating fitness consequences associated with the selection of larval habitat. To identify the semiochemicals that attract both females and males to larval habitat, volatiles from animal pelts were captured using Porapak Q, Porapak Q extracts were tested in large bioassay arenas, and bioactive extracts analyzed by coupled gas chromatographic-electroantennographic detection (GC-EAD) and GC-mass spectrometry (MS). Nonanal and geranylacetone, 2 of 28 EAD-active candidate semiochemicals, were determined in bioassay experiments to be essential for attraction of adults to larval habitat. When these 2 synthetic semiochemicals were dispensed at doses equivalent to those emanating from animal pelts, they were more attractive to males and females than were natural animal pelts. Exploitation of nonanal and geranylacetone as resource-derived semiochemicals by both adult webbing clothes moth and its larval parasitoid, Apanteles carpatus, is an example of convergent semiochemical parsimony.
520 $a Attraction of both males and females to males provided evidence for male-produced aggregation signals. Excitatory behaviour of males near females, but not attraction to females, indicated a weak female-produced communication signal. (Abstract shortened by UMI.)
590 $a School code: 0791.
650 4 $a Biology, Zoology. $3 1018632
690 $a 0472
710 2 0 $a Simon Fraser University (Canada). $3 1020621
773 0 $t Dissertation Abstracts International $g 64-08B.
790 1 0 $a Gries, G., $e advisor
790 $a 0791
791 $a Ph.D.
792 $a 2002
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NQ81693