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Recently Published Articles
- Termite queens have disproportionately more DNA in their fat body cells: reproductive division of labor and endoreduplication
Tomonari Nozaki and Kenji Matsuura
Article first published online: 9 NOV 2015 | DOI: 10.1111/ens.12156
During egg production, insect females synthesise massive amounts of vitellogenin in their fat bodies, and those of some insects become polyploid to accelerate vitellogenin production. Social insects have developed reproductive division of labor, wherein queens lay most of the eggs while other individuals have reduced fertility. We found that termite queens have disproportionately more DNA in their fat body cells suggesting that termites exploit endoreduplication to boost egg production, in conjunction with the development of reproductive division of labor.
- Blackmania gen. nov. and the related genus Acaudella (Hemiptera: Aphididae: Aphidinae) (pages 442–451)
Mariusz Kanturski and Karina Wieczorek
Article first published online: 1 OCT 2015 | DOI: 10.1111/ens.12155
This paper presents results of taxonomic study of aphids without cauda, a notable character in aphids. A new monotypic genus without cauda is described and named to honor the two most recognized aphid specialists, Roger L Blackman and Victor F Eastop.
- Three new species of the genus Caesarodispus (Acari: Microdispidae) associated with ants (Hymenoptera: Formicidae), with a key to species (pages 461–469)
Vahid Rahiminejad, Hamidreza Hajiqanbar and Ali Asghar Talebi
Article first published online: 28 SEP 2015 | DOI: 10.1111/ens.12149
This paper provides a modern description of three new mite species of the Caesarodispus (Acari: Microdispidae) associated with ants (Hymenoptera: Formicidae) from Iran. A key to world species of the genus is also presented.
- Geographic variation of color polymorphism in two sibling ladybird species, Harmonia yedoensis and H. axyridis (Coleoptera: Coccinellidae) (pages 502–508)
Suzuki Noriyuki and Naoya Osawa
Article first published online: 28 SEP 2015 | DOI: 10.1111/ens.12147
Geographical variation of elytra color pattern in the two sibling ladybird species, Harmonia yedoensis and H. axyridis (Coleoptera: Coccinellidae) was examined in the Japanese archipelago. The interesting result was that the frequency of elytra color patterns was significantly different between the two species in all sympatric locations. Moreover, the frequency of non-melanic form increased towards south in H. yedoensis, which was contrast to the geographical trend in H. axyridis.
- Habitat specificity of butterflies along urban environmental gradients in Tama City, Tokyo (pages 509–518)
Article first published online: 28 SEP 2015 | DOI: 10.1111/ens.12146
Classification of habitat specificity of Japanese butterflies needs justification by objective ground. DCA ordination of butterflies in Tama city, Tokyo plotted butterflies along environmental gradients, and detected several species that do not fit in with so far commonly used classification.