Definition of the Lonchaea polyhamata species-group (Diptera, Lonchaeidae) with a description of new species Author Macgowan, Iain text Zootaxa 2018 2018-07-18 4446 3 325 342 journal article 29342 10.11646/zootaxa.4446.3.2 74ac3747-b373-47bc-81d1-e188aa0a8814 1175-5326 1444211 D7E5F511-6A3B-4837-B64C-DF09DE59B87E Lonchaea dichaeta McAlpine, 1964 , p750. Described by McAlpine (1964) from a single male Holotype without illustration of the male genitalia. Male terminalia : ( Figs. 39–41 ) Cerci short and fleshy. Epandrium in side view at least twice as high as long; gradually tapered from dorsum to rounded ventral margin; ventral margin irregularly serrate. Surstyli greatly reduced and asymmetrical; ventral lobe of surstylus bearing a stump-like process at medial base, left twice as large as right; apices of these processes irregularly serrate. Phallus non-segmented; simply S-shaped; tapered to slender apex on apical half. Previous record : RWANDA ; For. du Rugege , ( Foret du Rugege ) Rutovu , 20–23 Jan. 1953 , 2350 m., P. Basilewski. ( MRAC ).