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Butterflies of the Inani Reserve Forest were studied between May 2014 and May 2015. One hundred twenty five species of butterflies belonging to 84 genera and six families (Hesperiidae, Papilionidae, Pieridae, Lycaenidae, Riodinidae and Nymphalidae) were recorded during this study. The highest number of species comprised Family Nymphalidae (38 species, 30.4%) followed by Lycaenidae (35 species, 20.8%), Hesperiidae (26 species, 20.16%), Pieridae (16 species, 12.8%), Papilionidae (9 species, 7.2%) and the Family Riodinidae comprised the lowest (one species, 0.8%). The abundance of recorded butterflies was calculated in term of Very Common (20 species), Common (29 species), Uncommon (32 species), Rare (23 species) and Very Rare (21 species). The butterflies preferred different types of habitat (viz., Grass Land, Crop Land, Open Forest, Scrub Forest, Dense Forest and Bamboo Patches). Thirty species of butterflies were regularly observed in all kind of habitats, 69 species preferred multiple habitats (8 in 4 types, 24 in 3 types and 38 in 2 types of habitat) and 25 species were recorded only in a single type of habitats. Mud-puddling of 36 species were also observed. During this study, Zinaspa todara (Family: Lycaenidae) was the first time record in Bangladesh and Euploea doubledayi (Family: Danaidae) was recorded after 150 year later.

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Pelopidas thrax (Hübner) (Lep.: Hesperiidae) is a widespread species in southwest Iran. We aimed to use geometric morphometric techniques to investigate the sexual dimorphism and allometric effects associated with the wings of P. thrax. Fore- and hind wings of 40 and 39 individuals, respectively, of each sex which were collected from Ahvaz city were digitized and analyzed.  Sexual dimorphism was observed in size and shape of fore- and hind wings of P. thrax and was graphically illustrated. Multivariate statistics confirmed significant differences in shape of fore- and hind wing between sexes. Centroid size of both wings showed greater values in females than males and visualized by boxplots. Various multivariate regressions of shape coordinates on centroid size were significant and visualized by the thin plate splines. Allometry explained shape variance in each case between 0.8% to 19.6%. The analysis demonstrated different allometric patterns for sexes in both fore- and hind wings. Significant shape differences between wings of males and females were still remained after removing allometric effects. The variation that is not related to size could be attributed to specific behaviors such as flight speed and performance in each sex. However, specific experiments are needed to confirm the association of the wing shape variation expressed in this study with the flight traits.

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Based on new evidence from morphology, ecology, and DNA barcodes, the taxon originally described as Polyommatus (Agrodiaetus) valiabadi asadii Charmeux, 2016, is raised to a specific rank, Polyommatus (Agrodiaetus) asadii bona species. It is endemic to Northern Iran and confined to the Dalasm valley in the Alborz mountains. Its preferred larval host is the annual Onobrychis mazanderanica Reich. f., while the larvae of its sister species P. valiabadi feed on O. talagonica Reich. f. (Fabaceae). It can be diagnosed from P. valiabadi and other closely-related species by differences in wing pattern and male genitalia. Our time-calibrated phylogenetic hypothesis estimates that the common ancestor of P. asadii and P. valiabadi split around 750,000 years ago.