Review of Neurosystasis Satchell, with two new species from Cuba and a discussion of cerci and surstyli in Psychodinae (Diptera: Psychodidae) Author Kvifte, Gunnar Mikalsen Author Wagner, Rüdiger text Zootaxa 2017 4306 1 81 90 journal article 32407 10.11646/zootaxa.4306.1.4 a2b4112f-6381-415c-ba31-1d3fd740247b 1175-5326 843089 A8B1B8EC-3D20-4220-8E6B-615553C7C008 Key to world species of Neurosystasis 1 Wing membrane unpatterned. M3 originating from M-fork, i.e. M1, M2 and M3 originating from same point..............2 - Wing membrane infuscate with white spots between vein apices. M3 originating near base of wing.....................3 2 Right gonostylus with two branches, left gonostylus one-branched. Hypopod with branches of equal length. (Jamaica).................................................................................... N. terminalis ( Satchell, 1955 ) - Gonostyli with one branch. Hypopod with epandrial branch less than half the length of cercal branch. ( Florida , USA )............................................................................ N. bromeliphila Wagner & Hribar, 2010 3 Wing with vein R2+3 attached to vein R4. Hypopod unbranched. (Argentina).... N. saltenia ( Omad, Mangudo & Gleiser, 2015 ) - Wing with vein R2+3 not attached to vein R4, Hypopod divided into lateral epandrial branch and mesal cercal branch. (Cuba). 4 4 Eyes separated by distance of 1.4 facet diameters. Hypopod with epandrial branch as long as cercal branch............................................................................................. N. amplipenna ( Knab, 1914 ) - Eyes separated by distance of 2 facet diameters. Hypopod with epandrial branch shorter than cercal branch..............5 5 Interocular suture V-shaped. Sc connected to R1. Faint crossvein present between the bases of M1+2 and M3. Right gonocoxite with mesal branch straight, lateral branch recurved laterad. Lobes of gonocoxite smooth. Apex of gonostyli without setae............................................................................................ N. mira sp. nov. - Interocular suture widely U-shaped. Sc not connected to R1. Bases of M1+2 and M3 without crossvein. Gonocoxite with both branches weakly curved towards median, lateral lobe of gonocoxite serrated laterally. Apex of gonostyli with 4-5 setae............................................................................................ .. N. starki sp. nov.