Insecticidal Bacteria Isolated from Predatory Larvae of the Antlion Species Myrmeleon Bore (Neuroptera: Myrmeleontidae).
From: Department of Applied Biological Chemistry, School of Agriculture, Kinki University, 3327-204 Nakamachi, Nara 631-8505, Japan.
Journal of invertebrate pathology
- Publish Date: Sep 2007
- ISSN: 0022-2011
- Volume: 96
- Issue: 1
- Pages: 80-8
- Medium: Print
- Language: English
- Citation (JAMA): Nishiwaki Hisashi, Ito Katsuhiko, Shimomura Masaru, et al. Insecticidal Bacteria Isolated from Predatory Larvae of the Antlion Species Myrmeleon Bore (Neuroptera: Myrmeleontidae).. J. Invertebr. Pathol. Sep 2007;96:80-8
Abstract
Various bacterial species were isolated from the crop (digestive organ) of the antlion species Myrmeleon bore and tested for their insecticidal activity against caterpillars by injection. Sixty-eight isolates from the antlion crop were grouped into twenty-four species based on homologies of 16S rRNA gene sequences and biochemical properties. Isolated Bacillus cereus, Bacillus sphaericus, Morganella morganii, Serratia marcescens and a Klebsiella species killed 80% or more cutworms when injected at a dose of 5x10(5)cells per insect. In addition, cutworms killed by these isolates resembled observations made of caterpillars attacked by antlions. A culture-independent analysis showed that the isolated bacterial species are likely to be frequently present in the antlion crop. These results suggest that insecticidal microorganisms associate with antlions, and may promote the death of prey.
Mesh Headings (Keywords): Animals, Ants, Bacteria, Bacterial Physiology, Base Sequence, DNA, Bacterial, Larva, Lepidoptera, Molecular Sequence Data, Phylogeny, Polymerase Chain Reaction, RNA, Bacterial, RNA, Ribosomal, 16S
Check for Full Text / PubMed Unique Identifier (PMID): 17399737
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