Search results for: Masaru K. Hojo

Items from 1 to 6 out of 6 results

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Lycaenid Caterpillar Secretions Manipulate Attendant Ant Behavior

Masaru K. Hojo, Naomi E. Pierce, Kazuki Tsuji

Current Biology > 2015 > 25 > 17 > 2260-2264

Mutualistic interactions typically involve the exchange of different commodities between species [1]. Nutritious secretions are produced by a number of insects and plants in exchange for services such as defense [2, 3]. These rewards are valuable metabolically and can be used to reinforce the behavior of symbiotic partners that can learn and remember them effectively [4, 5]. We show here novel effects...

article

Suppressive effects of dRYamides on feeding behavior of the blowfly, Phormia regina

Toru Maeda, Yuki Nakamura, Hajime Shiotani, Masaru K. Hojo, more

Zoological Letters > 2015 > 1 > 1 > 1-10

Recently, dRYamides-1 and -2 have been identified as ligands of the neuropeptide Y-like receptor CG5811 in Drosophila melanogaster. It has also been reported in brief that injection of dRYamide-1suppresses the early feeding behavior called proboscis extension reflex (PER) in the blowfly Phormia regina. Immunohistochemical analyses by our group using anti-dRYamide-1 antiserum indicated symmetrical...

article

Adoption of lycaenid Niphanda fusca (Lepidoptera: Lycaenidae) caterpillars by the host ant Camponotus japonicus (Hymenoptera: Formicidae)

Masaru K. Hojo, Susumu Yamaguchi, Toshiharu Akino, Ryohei Yamaoka

Entomological Science > 17 > 1 > 59 - 65

Caterpillars of the parasitic lycaenid butterfly are often adopted by host ants. It has been proposed that this adoption occurs because the caterpillars mimic the cuticular hydrocarbons of the host ant. This study aimed to examine whether caterpillars of the Japanese lycaenid butterfly Niphanda fusca induce adoption by mimicking their host ant Camponotus japonicus. Behavioral observations conducted...

article

Why do ants shift their foraging from extrafloral nectar to aphid honeydew?

Noboru Katayama, David H. Hembry, Masaru K. Hojo, Nobuhiko Suzuki

Ecological Research > 2013 > 28 > 5 > 919-926

When aphids parasitize plants with extrafloral nectaries (EFNs) and aphid colony size is small, ants frequently use EFNs but hardly tend aphids. However, as the aphid colony size increases, ants stop using EFNs and strengthen their associations with aphids. Although the shift in ant behavior is important for determining the dynamics of the ant–plant–aphid interaction, it is not known why this shift...

article

Gustatory synergism in ants mediates a species-specific symbiosis with lycaenid butterflies

Masaru K. Hojo, Ayako Wada-Katsumata, Mamiko Ozaki, Susumu Yamaguchi, more

Journal of Comparative Physiology A > 2008 > 194 > 12 > 1043-1052

Here we show that larvae of the lycaenid butterfly Niphanda fusca secrete droplets containing trehalose and glycine. These droplets attract the larva’s host ants Camponotus japonicus, which collect and protect the larvae. We comparatively investigated gustatory preference for trehalose, glycine or a mixture of the two between host (C. japonicus) and non-host (Camponotus obscuripes) species of ants...

article

Herbivory damage does not indirectly influence the composition or excretion of aphid honeydew

David H. Hembry, Noboru Katayama, Masaru K. Hojo, Takayuki Ohgushi

Population Ecology > 2006 > 48 > 3 > 245-250

Recent research has shown that extrafloral nectar secretion by plants, which also attracts ants, is a defense inducible by herbivory damage. Our research addresses the question of whether plants can manipulate the honeydew secretions of homopterans as an inducible defense in response to herbivory in the same manner as extrafloral nectaries. We investigated changes in honeydew composition and excretion...

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Search results for: Masaru K. Hojo

Lycaenid Caterpillar Secretions Manipulate Attendant Ant Behavior

Suppressive effects of dRYamides on feeding behavior of the blowfly, Phormia regina

Adoption of lycaenid Niphanda fusca (Lepidoptera: Lycaenidae) caterpillars by the host ant Camponotus japonicus (Hymenoptera: Formicidae)

Why do ants shift their foraging from extrafloral nectar to aphid honeydew?

Gustatory synergism in ants mediates a species-specific symbiosis with lycaenid butterflies

Herbivory damage does not indirectly influence the composition or excretion of aphid honeydew

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