Alloiothucha artocarpi (Horváth) (Hemiptera: Heteroptera: Tingidae) found on jackfruit, Artocarpus heterophyllus Lam. (Moraceae): first representative of the genus from Laos, and the synonymy of Cetiothucha Drake & Ruhoff Author Souma, Jun 0000-0002-2238-5015 Entomological Laboratory, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka, Japan. kodokusignal @ gmail. com; https: // orcid. org / 0000 - 0002 - 2238 - 5015 & Research Fellowship for Young Scientists (DC 1), Japan Society for the Promotion of Science, Tokyo, Japan kodokusignal@gmail.com Author Cho, Geonho Department of Forest Resources, Sunchon National University, Suncheon 57922, Republic of Korea Author Lee, Seunghwan Insect Biosystematics Laboratory, Research Institute of Agriculture and Life Science, Department of Agricultural Biotechnology, Seoul National University, 08826, Republic of Korea text Zootaxa 2022 2022-02-14 5099 3 369 381 journal article 20658 10.11646/zootaxa.5099.3.5 c9124841-494e-4656-b9a2-337cef4c414f 1175-5326 6079080 0DA32D5B-B156-434B-9521-71ADE5A80E4C Key to the species of Alloiothucha The key presented below is based on comparisons of the materials examined in the present study with the descriptions, illustrations, and photographs of the six species of Alloiothucha and Cetiothucha ( Horváth 1926 ; Drake 1927 , 1966 ; Drake & Ruhoff 1965a ; Guilbert et al . 2018; United States National Museum of Natural History 2022 ), and the key of Cetiothucha (Guilbert et al . 2018) . 1 Hood more or less constricted in middle part................................................................ 2 - Hood not constricted in middle part....................................................................... 3 2 Hood gourd-shaped, more constricted in middle part, with dorsal margin sinuate in lateral view; anterior margin of hemelytron strongly curved in basal part.............................................. Alloiothucha artocarpi ( Horváth, 1926 ) - Hood nearly semi-ellipsoid, less constricted in middle part, with dorsal margin arched in lateral view; anterior margin of hemelytron weakly curved in basal part.......................................... Alloiothucha necopinata Drake, 1927 3 Costal area of hemelytron with four rows of areolae at widest part..................... Alloiothucha chaera Drake, 1966 - Costal area of hemelytron with three rows of areolae at widest part.............................................. 4 4 Paranotum partially with two rows of areolae and a single row of areolae............................................................................................. Alloiothucha physalia (Drake & Ruhoff, 1965) , comb. nov. - Paranotum with two rows of areolae throughout its length..................................................... 5 5 Discoidal area of hemelytron with four rows of areolae at widest part............ Alloiothucha philippinensis Drake, 1927 - Discoidal area of hemelytron with five rows of areolae at widest part.................................................................................. Alloiothucha constanti ( Guilbert, Pham & Soulier-Perkins, 2018 ) , comb. nov.