Aphid consumption and residence time of larvae of flightless lady beetles, Harmonia axyridis (Coleoptera: Coccinellidae), on aphid-infested plants

Satoshi Nakayama, Jun ichi Takatsuki, Tomokazu Seko, Shoutaro Ando, Kazuki Miura, Takahisa Miyatake

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A flightless strain of the lady beetle, Harmonia axyridis Pallas, has been established, by artificial selection, for effective biological control of aphids. However, this biological control technique is costly because of the high cost of production of the adults. It is, therefore, important to consider the utility of the larvae in biological control. This study examined the potential for larvae of the flightless strain to be used as biological control agents compared with those of the wild-type, in terms of how they behave on aphid-infested plants. We found no differences between the strains with regard to residence time and aphid consumption on the plant for the first, second, and fourth instars, and at low and high aphid densities. In contrast, however, aphid consumption by third-instar larvae of the flightless strain tended to be lower, although they remained on the plant longer than third-instar larvae of the wild-type. Consequently, our results suggest the flightless strain does not differ from the wild-type in its ability to control aphids across all larval stages, except for the third instars. On the basis of these results, and in conjunction with the results from previous studies, we discuss the appropriateness of different larval instars for release.

Original languageEnglish
Pages (from-to)223-227
Number of pages5
JournalApplied Entomology and Zoology
Volume48
Issue number2
DOIs
Publication statusPublished - 2013

Fingerprint

Harmonia axyridis
Coccinellidae
Aphidoidea
Coleoptera
instars
larvae
biological control
artificial selection
production costs
biological control agents

Keywords

  • Aphid consumption
  • Artificial selection
  • Residence property

ASJC Scopus subject areas

  • Insect Science

Cite this

Aphid consumption and residence time of larvae of flightless lady beetles, Harmonia axyridis (Coleoptera : Coccinellidae), on aphid-infested plants. / Nakayama, Satoshi; Takatsuki, Jun ichi; Seko, Tomokazu; Ando, Shoutaro; Miura, Kazuki; Miyatake, Takahisa.

In: Applied Entomology and Zoology, Vol. 48, No. 2, 2013, p. 223-227.

Research output: Contribution to journalArticle

Nakayama, Satoshi ; Takatsuki, Jun ichi ; Seko, Tomokazu ; Ando, Shoutaro ; Miura, Kazuki ; Miyatake, Takahisa. / Aphid consumption and residence time of larvae of flightless lady beetles, Harmonia axyridis (Coleoptera : Coccinellidae), on aphid-infested plants. In: Applied Entomology and Zoology. 2013 ; Vol. 48, No. 2. pp. 223-227.
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