Taxonomic review of the genera Micridium Motschulsky, 1869 and Micridina Johnson, 1969 (Coleoptera: Ptiliidae) with eleven new species including the first records from South America and Madagascar Author Darby, Michael text Zootaxa 2017 4242 2 233 254 journal article 36307 10.11646/zootaxa.4242.2.2 c4e5d710-edf2-4928-b53d-22c211fcad53 1175-5326 376374 0DD1868D-4EF5-4FB7-AEE9-372644800A79 Micridium johnsoni sp. n. ( Figs. 7 , 22 , 39 , 45 , 53 , 61 , 77 a/b) Habitus Fig. 7 . Length 0.57 mm . Colour mid brown, antennae and legs yellow. Antennomeres 3–11 length 0.19 mm Fig. 45 . Width across eyes 0.18 mm . Mentum: the two long setae normally located at the anterior corners situated medially, widest anteriorly but not so marked as other species of more triangular shape, submentum Fig. 39 . Pronotum with larger setal depressions towards posterior margin, length 0.12 mm , width 0.22 mm , Fig. 22 . Elytra length 0.37 mm , width 0.26 mm . Mesoventrum: keel wide and flattened between mesocoxae, Fig. 53 . Mesepiventra: reticulation distinct, hind angles apparent at junction with metepiventral suture, Fig. 53 . Mesocoxae widely separated Fig. 53 . Metaventrum: reticulation distinct, metepiventral sutures terminating anteriorly at lateral angle of mesoventral suture and bending inwards to posterior margin, Fig. 61 ; posterior intercoxal process concave. Male: not known. Female: spermatheca Fig. 77 a/b. Etymology . I have pleasure in naming this species after Colin Johnson, former curator of entomology at the Manchester Museum. Diagnosis . The widely separated mesocoxae, posterior angles of the mesoventrum and the reticulation of the metaventrum distinguish the species. Type data : Holotype : ♀ , Peru , Madre de Dios Dept., CICRA field station 2km NW of cafeteria, research plot, flight intercept trap , 12.55236S 70.10989W , 295m , 9–11.vi.2011 , Chaboo team ( MUSM ) . Paratypes : 6 f #, same data as holotype ( MUSM , SEMC , BMNH ) .