Outbreaks of African Swine Fever (ASF) in domestic pig farms in Lithuania typically begin in June and are detected through October, suggesting that insects might be involved in the transmission of the virus. Entomological collecting was performed to obtain two data sets: from farms with ASF outbreaks, and from farms without ASF outbreaks but in an ASF‐infected area. Target insects from the families Muscidae, Calliphoridae and Tabanidae were analysed for the presence of ASF Virus (ASFV) DNA. Musca domestica L., Calliphoridae flies and Stomoxys calcitrans (L.) collected by entomological net during ASF outbreaks were confirmed to be ASFV positive. Viral DNA detected in insects collected by Nzi traps from farms with no ASFV outbreaks indicate that Culex, Lucilia, M. domestica and S. calcitrans are likely to play a role in spreading the ASFV mechanically. This finding could suggest contamination from outside of the farms: from infected wild boar or their carcasses. The role of Stomoxys flies as mechanical vectors could be accidental, because we did not find a significant correlation between the activity of S. calcitrans and the number of ASF outbreaks in pig farms, whereas temperatures positively correlated to the number of ASF outbreaks during 2018–2019.

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Species of Trichoceridae Rondani known to occur on the Korean Peninsula are reviewed; eight of these are recorded for Korea for the first time. Trichocera (Saltrichocera) sapporensis Alexander, 1935 and T. (S.) maculipennis pictipennis Alexander, 1930 are proposed as synonyms of T. (S). maculipennis punctipennis Brunetti, 1912 which is transferred to a subspecific rank. A new species—Trichocera (Saltrichocera) latipons sp. nov. is described.

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