Macrocoma Chapuis, 1874

Zoia, Stefano, 2012, Eumolpinae (Coleoptera: Chrysomelidae) of Socotra Island, Insect biodiversity of the Socotra Archipelago (Acta Entomologica Musei Nationalis Pragae 52), pp. 449-501 : 476-477

Macrocoma Chapuis, 1874

A key to the species from Socotra

1 Pronotal sides with a low, rounded or oval small tubercle near the anterior edge, which can be seen only in lateral view of pronotum ( Fig. 104 ); the tubercle with a single puncture in its middle; length 2.0– 2.6 mm; habitus as in Figs. 137–138 . ................ M. hulai sp. nov.

– Pronotal sides without tubercle, surface uniformly punctured ( Fig. 95 ). ........................ 2

2 Larger species: length 2.6–3.1 mm; pronotum slightly wider than long, more widened in middle; scutellum wider, usually with 5 or more punctures; pubescence usually longer and closer; habitus as in Figs. 133–134 . ............................................ M. niedobovae sp. nov.

– Smaller species: length 2.3–2.4 mm; pronotum as wide as long, subcylindrical, slightly widened in middle; scutellum smaller, with 3–4 punctures; pubescence usually thinner and shorter; habitus as in Figs. 135–136 . ................................................. M. bezdeki sp. nov.

Figures

Figs. 98–104. Macrocoma hulai sp. nov. (98–99, 101, 103–104: J holotype; 100: J, wadi Zirik; 102: ♀, Bidehor, Digeila cave): 98 – aedeagus, apex, dorsal view; 99 – aedeagus, lateral view; 100 – tegmen; 101 – ventral sclerite of sternite IX; 102 – spermatheca; 103 – elytral punctation and pubescence; 104 – tubercle on pronotal side.

Figs. 129–138. Habitus, dorsal and lateral view of: 129–130 – Colasposoma (Colasposoma) hajeki sp. nov.(Jholotype); 131–132 – Erythraella bicuspidata gen. et sp. nov. (J holotype); 133–134 – Macrocoma niedobovae sp. nov. (J holotype); 135–136 – Macrocoma bezdeki sp. nov. (J holotype); 137–138 – M. hulai sp. nov. (J holotype).

Figs. 90–97.Macrocoma bezdeki sp. nov.(90–91, 93, 96–97:J holotype; 92:J, Aloove vill. env.; 94–95:♀, Aloove vill. env.): 90 – aedeagus, apex, dorsal view; 91 – aedeagus, lateral view; 92 – tegmen; 93 – ventral sclerite of sternite IX; 94 – spermatheca; 95 – pronotum, lateral view; 96 – head; 97 – elytral punctation and pubescence.