Episomus
Episomus is a genus of beetles belonging to the family Curculionidae. Species are distributed throughout Sri Lanka, India, Myanmar, Thailand, Malay Peninsula, Sumatra, Java, Borneo, Philippines, China and Japan, Pacific Northwest of America. Many species are considered economically important, as they are pests of field beans, cotton and pigeon pea.
Description
Body variable in size and shape generally elongate, broad, and ovate. Vestiture varies from brown or metallic green. Some species are greenish or black. Three kind of scales are present: the predominant usually oval and the less predominant ones more elongate or plumose. Dorsum of many species is brown. Head with a central furrow and a more or less distinct transverse impression behind the eye. Eyes are convex, lateral, prominent, and very short ovate. Scrobes are very deep in front, but shallower near the eyes. Rostrum broader than the forehead. Mandibles obtuse, prominent and with a strongly marked scar. Antennae with scape exceeding the hind margin of the eye. Antennae geniculate and consist of a scape, a seven segmented funicle.
Prothorax usually with strong transverse plications and a more or less distinct central furrow. Prothorax base is either bisinuate or subtruncate. Scutellum variable, and usually well developed. Elytra not soldered together and with or without a distinct humeral angle. Elytral base slightly covering the basal margin of the prothorax. Legs stout, and elongate with unarmed femora. Epistome forming a sharp acute angle behind. Sternum with the fore coxae nearer the anterior margin of the prosternum. Ventrum varied with light brown, grey with white, black or metallic green.
Species
Episomus aemulus Faust, 1897 - MalaysiaEpisomus albarius Faust, 1897 - IndonesiaEpisomus andrewesi Marshall, 1916 - IndiaEpisomus apicalis Chevrolat, 1883 - MalaysiaEpisomus appendiculatus Faust, 1897 - India, China, MalaysiaEpisomus arcuatus Marshall, 1916 - IndiaEpisomus arduus Marshall, 1916 - IndiaEpisomus arrogans Boheman, 1842 - India, MyanmarEpisomus avuncularius Marshall, 1916 - IndiaEpisomus bicuspis Marshall, 1916 - MyanmarEpisomus bilineatus Chevrolat, 1883 - Malaysia, SingaporeEpisomus binodosus Chevrolat, 1883 - MalaysiaEpisomus brevipennis Faust, 1897 - MyanmarEpisomus castelnaui Faust, 1897 - MalaysiaEpisomus celebensis Faust, 1895 - IndonesiaEpisomus chlorostigma - IndonesiaEpisomus cochinchinensis Faust, 1897 - VietnamEpisomus connexus Marshall, 1916 - MyanmarEpisomus decipiens Marshall, 1916 - IndiaEpisomus dejeani Faust, 1897 - IndiaEpisomus distans Faust, 1897 - IndonesiaEpisomus distinguendus Faust, 1897 - IndonesiaEpisomus diutinus Faust, 1897 - IndonesiaEpisomus dohertyi Marshall, 1916 - IndiaEpisomus dorsalis Faust, 1897 - IndonesiaEpisomus exaratus Faust, 1897 - IndonesiaEpisomus fabriciusi Faust, 1897 - IndiaEpisomus fausti Hartmann, 1900 - IndonesiaEpisomus figulus Boheman, 1834 - India, IndonesiaEpisomus figuratus Karsch, 1882 - Sri LankaEpisomus fimbriatus Pascoe, 1871 - Malaysia, Sri Lanka, IndonesiaEpisomus fortius Voss, 1937 - ChinaEpisomus frenatus Marshall, 1916 - IndiaEpisomus freyi Zumpt, 1937 - ChinaEpisomus gracilicornis Ritsema, 1882 - IndonesiaEpisomus gryphus Faust, 1897 - IndonesiaEpisomus guttatus Boheman, 1845 - India, Myanmar, MalaysiaEpisomus gyllenhali Faust, 1897 - IndonesiaEpisomus humeralis Chevrolat, 1883 - Indonesia, Bangladesh, IndiaEpisomus iconicus Pascoe, 1871 - CambodiaEpisomus illustris Faust, 1897 - Malaysia, SingaporeEpisomus incisipes Chevrolat, 1883 - MalaysiaEpisomus incomptus Faust, 1897 - PhilippinesEpisomus inermicollis Marshall, 1916 - IndiaEpisomus intercalaris Faust, 1897 - IndonesiaEpisomus irregularis Marshall, 1916 - IndiaEpisomus kraatzi Faust, 1895 - Malaysia, IndonesiaEpisomus kwanhsiensis Heller, 1923 - ChinaEpisomus lacerta - Indonesia, IndiaEpisomus laticollis Pascoe, 1887 - ThailandEpisomus lentus Erichson, 1834 - PhilippinesEpisomus limbaticollis Marshall, 1916 - MyanmarEpisomus lucidus Hartmann, 1900 - IndonesiaEpisomus malaccensis Faust, 1897 - MalaysiaEpisomus manipurensis Marshall, 1916 - IndiaEpisomus marshalli Heller, 1908 - VietnamEpisomus montanus Guerin, 1843 - IndiaEpisomus mori Kono, 1928 - JapanEpisomus mundus Sharp, 1896 - JapanEpisomus nebulosus Marshall, 1916 - IndiaEpisomus nigropustulatus Faust, 1894 - MyanmarEpisomus nilgirinus Heller, 1908 - IndiaEpisomus nobilis Faust, 1895 - Malaysia, IndonesiaEpisomus obesulus - CambodiaEpisomus obliquus Marshall, 1916 - MyanmarEpisomus oblongus Marshall, 1916 - MyanmarEpisomus obstrusus Marshall, 1916 - MyanmarEpisomus obuncus Marshall, 1916 - IndiaEpisomus omisiensis Heller, 1923 - ChinaEpisomus parallelus Chevrolat, 1883 - VietnamEpisomus pauperatus - Indonesia, MalaysiaEpisomus platina - Indonesia, VietnamEpisomus praecanus Faust, 1897 - IndonesiaEpisomus profanus Faust, 1894 - MyanmarEpisomus pudibundus Faust, 1894 - MyanmarEpisomus pudicus Faust, 1897 - Malaysia, IndonesiaEpisomus pyriformis Marshall, 1916 - Sri LankaEpisomus quadrimaculatus Marshall, 1916 - IndiaEpisomus quatuornotatus Desbrochers des Loges, 1890 - IndiaEpisomus raucus Faust, 1897 - IndiaEpisomus repandus Faust, 1894 - Myanmar, CambodiaEpisomus sagax Faust, 1897 - India, BangladeshEpisomus saitus Faust, 1897 - IndonesiaEpisomus sennae Faust, 1894 - MyanmarEpisomus siamensis Faust, 1897 - Malaysia, Cambodia, ThailandEpisomus simulator Faust, 1897 - Indonesia, MalaysiaEpisomus singularis Faust, 1897 - ThailandEpisomus sobrinus Faust, 1897 - MalaysiaEpisomus stellio Snellen Van Vollenhoven, 1864 - IndonesiaEpisomus suavis Faust, 1897 - MalaysiaEpisomus subnitens Marshall, 1916 - Indonesia, MyanmarEpisomus subtuberculatus Heller, 1922 - VietnamEpisomus sulcicollis - MyanmarEpisomus takahashi Kono, 1928 - TaiwanEpisomus timidus Faust, 1897 - Malaysia, IndonesiaEpisomus tristiculus Voss, 1958 - TaiwanEpisomus truncatirostris - ChinaEpisomus turritus - Japan, China, KoreaEpisomus uncatus Faust, 1897 - Malaysia, IndonesiaEpisomus uniformis Pascoe, 1887 - IndiaEpisomus versutus Faust, 1895 - Myanmar, IndiaEpisomus vethi Hartmann, 1914 - IndonesiaEpisomus viriosus Faust, 1897 - IndonesiaEpisomus watanabei Kono, 1932 - TaiwanEpisomus wiedemanni Faust, 1897 - IndonesiaEpisomus yunnanensis Voss, 1937 - China