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Bionomics of Elasmus japonicus (Hymenoptera, Elasmidae), a Parasitoid of a Paper Wasp, Polistes snelleni (Hymenoptera, Vespidae)
The first record of infection and sterilization by the nematode Sphaerularia in hornets (Hymenoptera, Vespidae, Vespa)
TLDR
This is the first solid record of parasitism by Sphaerularia in hornets (Vespa spp.) collected using bait traps and infected and sterilized 70% of the overwintered gynes of the hornet Vespa simillima.
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Species compositions of vespine wasps collected with bait traps in recreation forests in northern and central Japan (Insecta, Hymenoptera, Vespidae).
Seasonal Trends of Forest Moth Assemblages in Central Hokkaido, Northern Japan
TLDR
The high species turnover ofAdult moths during the active season was due to the short occurrence period of each species, which may be associated at least in part with univoltinism, synchronized adult eclosion, and short life spans of adult moths.
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Landscape versus local factors shaping butterfly communities in fragmented landscapes: Does host plant diversity matter?
Conversion of terrestrial land for the purposes of agriculture and urban development continues to result in loss and fragmentation of natural habitats. In this study, we focus on butterflies and…
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Brood Parasitism in Two Species of Spider Wasps (Hymenoptera: Pompilidae, Dipogon), with Notes on a Novel Reproductive Strategy
TLDR
A trap-nesting study provided the first documentation of brood parasitism in Dipogon nagasei and in D. iwatai, both of which develop into adult wasps without larval cannibalism and are with the subgenus Nipponodipogon, whereas all five Dipog on hosts are in the sub genus Deuteragenia.
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Habitat Classifications of Butterflies Based on the Differences in Butterfly Communities in Woodlands and Open Lands in Central Hokkaido, Japan
Intraspecific Color Variation in Sphecophaga vesparum (CURTIS) and Subspecific Status of the Far Eastern Population (Hymenoptera, Ichneumonidae)
Co-occurrence of ecologically equivalent cryptic species of spider wasps
TLDR
It is reported that three phylogenetically closely related species are found sympatrically in Japan, indicating a lack of competitive exclusion, and this evidence may suggest that ecologically equivalent species can co-occur stably if their shared resources are sufficiently abundant that they cannot be over-exploited.
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Colony productivity of the paper wasp Polistes snelleni: Comparison between cool-temperate and warm-temperate populations
TLDR
Differences in the production characteristics between populations are discussed in terms of climatic conditions, a major factor in differences in the length of the nesting period, and the production of reproductives in very large warm-temperate nests is discussed in relation to worker reproduction.
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