Revision of citrus trees pests of Agrilus angulatus species-group (Coleoptera, Buprestidae) from South and Southeast Asia with description of one new species

The revision of Agrilus (Coleoptera, Buprestidae) pests of citrus trees from A. angulatus species-group comprising six species: A. angulatus (Fabricius, 1798); A. connatus sp. nov.; A. livensKerremans, 1892a, b; A. mediocrisKerremans, 1900; A. nubilusKerremans, 1892a, b and A. olivaceidorsisObenbergcr, 1917 from South and Southeast Asia is provided. The study is based on examination of all relevant types and 2498 additional specimens. The key to species is given and complemented with illustrations of morphology, habitus, genitalia, size variability, color variability, type specimens and distribution. Comprehensive commented literature references, data on type specimens, faunal records, revised and updated distribution and host plant data are cited for each species. The new species A. connatus sp. nov. from Laos and Thailand is described. The following taxonomic and nomenclatural acts are proposed: the name grisatorKerremans, 1893syn. nov. (Agrilus) is a junior subjective synonym of the name nubilusKerremans, 1892a, b (Agrilus); the name macellusBourgoin, 1922syn. nov. (Agrilus) is a junior subjective synonym of the name olivaceidorsisObenberger, 1917 (Agrilus); the lectotype of Buprestis angulataFabricius, 1798 (now in Agrilus) is designated.