Species: Cylindrostethus costalis Schmidt, 1915
Classification
Phylum: Arthropoda
 Class: Insecta
  Order: Hemiptera
   Family: Gerridae
    Genus: Cylindrostethus


Figure
Cylindrostethus costalis


Distribution:
 - northeast of Thailand
 - Sakon Nakhon Province: Phu Phan National Park

Work cited:
 - Suksai, B., Sangpradub, N. and Zettel, H. 2016. Assemblage of aquatic Heteroptera (Gerromorpha and Nepomorpha) in relation to microhabitats in the Phong River, Northeast Thailand. Entomological Research 46: 93-106.
 - Chen, P.-P., Nieser, N. and Sangpradub, N. 2006. Records of aquatic bugs (Heteroptera, Gerromorpha, Nepomorpha) mainly from Northeast Thailand, with descriptions of four new species. Denisia 19, zugleich Kataloge der OÖ. Landesmuseen Neue Serie 50: 775-794.

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