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For the first time, two species of the Hesperiidae family are recorded from the State of Kuwait. The observations of Gegenes nostrodamus (Fabricius, 1793) and Pelopidas mathias (Fabricius, 1798) started in 2021. The habitats are discussed, dorsal and ventral pictures of both genders of G. nostrodamus and P. mathias are included. For identification the genitalia of both genders were examined, and the photographs of their preparations are presented. While the male and female genitalia of G. nostrodamus were described in detail, this was not the case for P. mathias. Images of the male and female genitalia of collected specimens of P. mathias are compared with detailed drawings of Pelopidas thrax (Hübner, [1821]). The discovery of two new species for the State of Kuwait increases the total number of butterfly species to 25. [ABSTRACT FROM AUTHOR]

The northward and westward Belgian range expansions of Carcharodus alceae (Esper, 1780) (Hesperiidae), Brenthis daphne (Denis & Schiffermüller, 1775) (Nymphalidae) and Pieris mannii (Mayer, 1851) (Pieridae) are studied, based on a large number of opportunistically collected species occurrences. This information has been filtered to improve the quality of the dataset, and an analysis of this screening is presented. An overview of the range expansion and voltinism for each species is given. Ecological species-specific requirements that potentially influence such expansions are discussed, as well as the westward expansion of all three species. [ABSTRACT FROM AUTHOR]

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