A catalogue of the family Eulophidae (Hymenoptera, Chalcidoidea) of Eritrea Author Madl, Michael Author M, Atoposoma Author W, Diglyphus text Linzer biologische Beiträge 2023 55 1 265 273 journal article 10.5281/zenodo.10787947 0253-116X 10787947 Aprostocetus gravans (SILVESTRI , 1915) Tetrastichus gravans sp.n. : SILVESTRI 1915a: 257 (biology), 323 (description ♁, fig. 72, biology, Nefasit), 324 (figs 73.1-6). Tetrastichus gravans SILVESTRI , 1915 : MASI 1940: 315 (key). Tetrastichus gravans SILVESTRI , 1915 : FULMEK 1943: 59 (world host-parasite catalogue: Africa = Eritrea ). Tetrastichus gravans SILVESTRI , 1915 : THOMPSON 1944: 53 (world host-parasitoid catalogue). Tetrastichus gravans SILVESTRI , 1915 : RISBEC 1951: 71 (key), 87 (catalogue Tetrastichus Afrotropical region). Tetrastichus gravans SILVESTRI , 1915 : THOMPSON 1955: 307 (world parasitoid-host catalogue). Tetrastichus gravans SILVESTRI , 1915 : RISBEC 1958: 27 (key). Aprostocetus ( Aprostocetus ) gravans ( SILVESTRI , 1915) : GRAHAM 1987: 353 (taxonomy). H o s t: Hemiptera , Coccidae : Stotzia chrysophyllae (SILVESTRI, 1915) ( SILVESTRI 1915a ) . D i s t r i b u t i o n:Nefasit. Tetrastichus gravans is also known from Tanzania . The record from South Africa ( RISBEC 1958: 27 ) is a printing error.