Relationships between the Gall Wasp, Trichagalma serratae (Ashmead)(Hymenoptera: Cynipidae), and Two Moth Species, Andrioplecta pulverula (Meyrick)(Lepidoptera: Tortricidae) and Characoma ruficirra (Hampson)(Lepidoptera: Noctuidae)

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Abstract

Gall parasitism by moth larvae of unisexual galls produced by Trichagalma serratae (Ashmead) In Nose, Osaka, Japan was surveyed by dissection of galls. Larvae or pupae of Andrioplecta pulverula (Meyrick) AndCharacoma ruficirra (Hampson) Were found in the galls. The two moth species did not significantly affect the survival of T. serratae on seven of the eight trees examined. Overall, attack by Megastigmus habui Kamijo Was the most important mortaliy factor for the gall wasp after gall initiation. Larval feeding habits of the two moth species were examined under laboratory conditions. A. pulverula larvae were able to feed on Q. acutissima leaves, but preferred unisexual galls of T. serratae. Some of the A. pulverula larvae boring into the galls fed on the larval cells and their inhabitants. The moth is therefore usually a cecidophage, but often becomes a predator of the gall wasp. Like A. pulverula, C. ruficirra larvae were able to feed on Q. acutissima leaves, but preferred T serratae galls. However, the C. ruficirra larvae boring into the galls did not attack the larval cells, though they could feed on T. serratae larvae that had been artificially exposed. Thus, the larval cell wall of T. serratae functions as a barrier against C. ruficirra larvae. This moth is regarded as a commensal of T. serratae.

Original languageEnglish
Pages (from-to)83-89
Number of pages7
JournalApplied Entomology and Zoology
Volume30
Issue number1
DOIs
Publication statusPublished - Jan 1 1995

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Cynipidae
Tortricidae
galls
Noctuidae
moths
Hymenoptera
Lepidoptera
larvae
Megastigmus
pupae
insect larvae
leaves
parasitism
cell walls
cells
Japan
predators

All Science Journal Classification (ASJC) codes

  • Insect Science

Cite this

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title = "Relationships between the Gall Wasp, Trichagalma serratae (Ashmead)(Hymenoptera: Cynipidae), and Two Moth Species, Andrioplecta pulverula (Meyrick)(Lepidoptera: Tortricidae) and Characoma ruficirra (Hampson)(Lepidoptera: Noctuidae)",
abstract = "Gall parasitism by moth larvae of unisexual galls produced by Trichagalma serratae (Ashmead) In Nose, Osaka, Japan was surveyed by dissection of galls. Larvae or pupae of Andrioplecta pulverula (Meyrick) AndCharacoma ruficirra (Hampson) Were found in the galls. The two moth species did not significantly affect the survival of T. serratae on seven of the eight trees examined. Overall, attack by Megastigmus habui Kamijo Was the most important mortaliy factor for the gall wasp after gall initiation. Larval feeding habits of the two moth species were examined under laboratory conditions. A. pulverula larvae were able to feed on Q. acutissima leaves, but preferred unisexual galls of T. serratae. Some of the A. pulverula larvae boring into the galls fed on the larval cells and their inhabitants. The moth is therefore usually a cecidophage, but often becomes a predator of the gall wasp. Like A. pulverula, C. ruficirra larvae were able to feed on Q. acutissima leaves, but preferred T serratae galls. However, the C. ruficirra larvae boring into the galls did not attack the larval cells, though they could feed on T. serratae larvae that had been artificially exposed. Thus, the larval cell wall of T. serratae functions as a barrier against C. ruficirra larvae. This moth is regarded as a commensal of T. serratae.",
author = "Yoshihisa Abe",
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N2 - Gall parasitism by moth larvae of unisexual galls produced by Trichagalma serratae (Ashmead) In Nose, Osaka, Japan was surveyed by dissection of galls. Larvae or pupae of Andrioplecta pulverula (Meyrick) AndCharacoma ruficirra (Hampson) Were found in the galls. The two moth species did not significantly affect the survival of T. serratae on seven of the eight trees examined. Overall, attack by Megastigmus habui Kamijo Was the most important mortaliy factor for the gall wasp after gall initiation. Larval feeding habits of the two moth species were examined under laboratory conditions. A. pulverula larvae were able to feed on Q. acutissima leaves, but preferred unisexual galls of T. serratae. Some of the A. pulverula larvae boring into the galls fed on the larval cells and their inhabitants. The moth is therefore usually a cecidophage, but often becomes a predator of the gall wasp. Like A. pulverula, C. ruficirra larvae were able to feed on Q. acutissima leaves, but preferred T serratae galls. However, the C. ruficirra larvae boring into the galls did not attack the larval cells, though they could feed on T. serratae larvae that had been artificially exposed. Thus, the larval cell wall of T. serratae functions as a barrier against C. ruficirra larvae. This moth is regarded as a commensal of T. serratae.

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