Four new species of Physaraia (Hymenoptera: Braconidae: Braconinae) from Thailand Author Chansri, Kittipum 0000-0001-6282-2905 Integrative Ecology Laboratory, Department of Biology, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, BKK 10330, Thailand. & https: // orcid. org / 0000 - 0001 - 6282 - 2905 Author Quicke, Donald L. J. 0000-0003-4471-6775 Integrative Ecology Laboratory, Department of Biology, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, BKK 10330, Thailand. & https: // orcid. org / 0000 - 0003 - 4471 - 6775 & buntika. a @ chula. ac. th; https: // orcid. org / 0000 - 0002 - 0541 - 0709 * buntika.a@chula.ac.th Author Butcher, Buntika A. 0000-0002-0541-0709 Integrative Ecology Laboratory, Department of Biology, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, BKK 10330, Thailand. & buntika. a @ chula. ac. th; https: // orcid. org / 0000 - 0002 - 0541 - 0709 * buntika.a@chula.ac.th text Zootaxa 2022 2022-09-08 5182 5 479 488 journal article 138778 10.11646/zootaxa.5182.5.5 3734c266-e765-46b5-a9fe-04f87089db05 1175-5326 7059678 74FA1E4D-B2EC-467B-B042-D23AA4FB8D20 Key to Indo-Australian species of Physaraia 1. Mesosternum strongly transverse striate; propodeum with strong carination running radially from medial side of tubercles (apophyses) ( Figs 1E , 4E ).............................................................................. 2 - Mesosternum not transversely striate; propodeum almost smooth medial to tubercles........... P. sumatrana (Enderlein) 2. Apical margin of metasoma and metasoma spines black; metasomal carapace widest more than 0.8 distance from base to apex ( Figs 3A, 3G ); Fore wing vein r approximately 0.67 × 3SR................................. P. sakaeratensis sp. nov. - Metasoma and metasoma spines entirely yellowish or brownish (ochraceous), metasomal carapace widest not over 0.8 distance from base to apex ( Figs 1G, 1H , 2G, 2H , 4G, 4H ); Fore wing vein r 0.5 × 3SR.................................... 3 3. Frons with a Y-shaped carina running from anterior ocellus ( Fig 4D )............................................ 4 - Frons without Y-shaped carina running from anterior ocellus................................... P. nanensis sp. nov. 4. Middle lobe of mesoscutum with distinct mid-longitudinal carina, ovipositor protruding posteriorly beyond spines by less than 0.75 spine lengths.......................................................... P. sinensis Quicke, You and Kruft - Middle lobe of mesoscutum with only weak mid-longitudinal carina ( Figs 2F , 4F ), ovipositor protruding posteriorly beyond spines by more than 1.0 spine lengths ( Figs 2A , 4A ,)......................................................... 5 5. Propodeum postero-laterally smooth especially on inner face of apophysis, mid-longitudinal propodeal groove narrow and sharply defines ( Fig 4E ); pterostigma translucent brown; metasoma pale whitish anteriorly and broadly medially; medioposterior margin with one round pit ( Fig 4G ).................................................. P. tigeri sp. nov. - Propodeum postero-laterally weakly scabrous with some striate running radially from apophysis; mid-longitudinal propodeal groove weak, not sharply defines anteriorly ( Fig 2F ), pterostigma black; metasoma largely brown-yellow with white marking sublaterally on anterior two thirds; medioposterior margin areolate rugose ( Fig 2G ).................. P. panhai sp. nov.