Diversity of Lygistorrhina (Probolaeus) Williston, 1896 (Diptera: Keroplatidae, Lygistorrhininae) of Mitaraka (French Guiana), with descriptions of three new species Author Blagoderov, Vladimir National Museums Scotland, Chambers Street, Edinburgh (United Kingdom) Natural History Museum, Cromwell Road, London (United Kingdom) v. blagoderov @ nms. ac. uk (corresponding author) Author Pollet, Marc Research Institute for Nature and Forest (INBO), Herman Teirlinckgebouw, Havenlaan 88 bus 73, B- 1000 Brussels (Belgium); and Entomology Unit, Royal Belgian Institute for Natural Sciences (RBINS), Vautierstraat 29, B- 1000 Brussels (Belgium) text Zoosystema 2020 2020-12-08 42 30 593 606 journal article 9349 10.5252/zoosystema2020v42a30 761e959f-fbe6-4906-861d-1df09f331e52 1638-9387 4321222 urn:lsid:zoobank.org:pub:5A4A8B27-2249-4EB6-8BF6-DEAD26E4A2F9 Lygistorrhina ( Probolaeus ) cerqueirai Lane, 1958 ( Fig. 5 ) Lygistorrhina cerqueirai Lane, 1958: 209 . REMARK The species was described by J. Lane based on a single male specimen. During the senior author’s visit to MZUSP in 2010, the holotype of the species was studied and photographed. Below is an emended description. MATERIAL EXAMINED. — Holotype . Brazil ; Amazonas , Igarapé de Mariano ; 21.XI.1955 ; Elias and Rappe coll.; MZUSP . EMENDED DESCRIPTION Male Head. Palpus ¾× as long as proboscis, rather densely setose; setae about as long as proboscis width. Median ocellus slightly anteriad of lateral ocelli, half the diameter of the latter; lateral ocelli semicircular. Flagellomeres bacilliform, about 3× as long as wide, each with single prominent dark seta near apex. Thorax ( Fig. 5C, D ) . Laterotergite with 16-17 setae; mediotergite with 6 setae; antepronotum with 5 setae; proepisternum with 6 setae. Mesonotum with short setae forming indistinct dorsocentral and acrostichal rows; with long setae in supra-alar rows and in posterior quarter of mesonotum. Wing ( Fig. 5B ) . Costa extends beyond R 5 to more than ½ of distance between R 5 and M 1 ; M 1 and CuA sinuous. Terminalia ( Fig. 5E, F ) . Tergite 9 ovoid, entirely setose, with dense patch of strong spines on apex. Gonostyli parallelsided, slightly curved inwards, with an apical scoop-shaped tooth. Gonocoxal apodemes heavily sclerotised.