Abstract
Here I describe five additional new species of Gynaecoserica Brenske, 1896 from Indochina: Gynaecoserica bihtanensis Ahrens, new species (from Myanmar), G. fallaciosa Ahrens, new species , G. feresimplex Ahrens, new species, G. pseudocymosa Ahrens, new species (all from Thailand), G. ottoi Ahrens, new species (from Laos). The male genitalia of the new species are illustrated.
References
Ahrens, D. (1996) Revision der Sericini des Himalaya und angrenzender Gebiete. Die Gattungen Lasioserica Brenske, 1896 und Gynaecoserica Brenske, 1896. (Coleoptera, Scarabaeoidea). Coleoptera, Schwanfelder Coleopterologische Mitteilungen, 16, 1–48.
Ahrens, D. (1999) New species and records of Gynaecoserica Brenske, 1896, Calloserica Brenske, 1894, Nepaloserica Frey, 1965 and Lasioserica Brenske, 1896 from the Himalayas and adjacent regions. (Coleoptera: Melolonthidae, Sericini). Entomologische Abhandlungen, 58, 181–242.
Ahrens, D. (2004) Monographie der Sericini des Himalaya (Coleoptera, Scarabaeidae). Dissertation.de—Verlag im Internet GmbH, Berlin, 534 pp.
Ahrens, D. & Fabrizi, S. (2009) New species of Sericini from the Eastern Himalaya and Tibet (Coleoptera, Scarabaeidae). In: Hartmann, M. & Weipert, A. (Eds.), Biodiversität und Naturausstattung im Himalaya. Band 3. Verein der Freunde und Förderer des Naturkundemuseums Erfurt e.V., Erfurt, pp. 475–511.
Ahrens, D. & Fabrizi, S. (2011) New species of Sericini from the Himalaya and adjacent mountains (Coleoptera: Scarabaeidae). Bonn Zoological Bulletin, 60 (2), 139–164.
Ahrens, D. & Fabrizi, S. (2016) A monograph of the Sericini of India (Coleoptera: Scarabaeidae). Bonn Zoological Bulletin, 65, 1–355.
Liu, W.G., Bai, M., Yang, X.K. & Ahrens, D. (2014) Towards an improved knowledge of Sericini of the Tibetan highland: new species and records (Coleoptera, Scarabaeidae). Bonn Zoological Bulletin, 63 (2), 157–172.
Liu, W.G., Bai, M., Yang, X.K., Ahrens, D. (2017) New species and records of Lasioserica and Gynaecoserica from China (Coleoptera, Scarabaeidae, Sericini). Bonn Zoological Bulletin, 66 (1), 29–36.