A checklist of the dragonflies and damselflies occurring in Bangladesh, Bhutan, India
(including Andaman and Nicobar Islands), Nepal, Pakistan and Sri Lanka is presented. In …

Combining scientific data over a long-time period is necessary for generating large-scale
datasets, which are an essential component of comparative analysis for understanding …

Sexual selection can improve population fitness and purge deleterious mutation from the
gene pool by promoting condition‐dependent mate selection. One ecological factor that …

Conspicuous female coloration can evolve through male mate choice or via female-female
competition thereby increasing female mating success. However, when mating is not …

The prevalence and intensity of parasitism can have different fitness costs between sexes,
and across species and developmental stages. This variation could arise because of …

Highlights•X. erythroneurum changes colour from yellow to red during ontogeny.•Red males
are more conspicuous and in better condition than yellow males.•Females do not prefer …

Dragonflies and damselflies help to assess the wetland ecosystem's health and serve as
indicator species. A year-long study from November 2021 to October 2022 was conducted to …

Kattampally wetland is a large swamp on the floodplains of the Valapattanam River in
Kannur District of Kerala previously nominated as a Ramsar site. By systemic sampling in …

Interspecific and intraspecific variation of parasitism can have different fitness costs between
sexes and across developmental stages. This variation could arise because of individual …

Gynacantha chaplini sp. nov. is described based on a male collected from the north-eastern
region of Bangladesh. Distinguishing features of the adult male are illustrated and …