The Snail-killing Flies (Diptera: Sciomyzidae) of West Africa Author Knutson, Lloyd V. Author Deeming, John C. Author Ebejer, Martin J. text Zootaxa 2018 2018-09-20 4483 1 67 100 journal article 29552 10.11646/zootaxa.4483.1.3 48be31ab-c94e-4044-bc82-751bd71fe938 1175-5326 1436632 85962DD1-E874-4273-8B1A-FB45A7B965A3 Sepedon ( Parasepedon ) trichrooscelis Speiser, 1910 (Figs 16, 19) Sepedon unicolor Brunetti, 1929 : 34 (as Var. of senegalensis ) ( Sierra Leone ). Synonymy by Verbeke 1950 : 76 . References to figures: Steyskal & Knutson 1975 (cochleate Vesicle, aedeagus); Verbeke 1950 (postabdomen, aedeagus, surstylus); Verbeke 1961 (cochleate Vesicle); Verbeke 1961 (surstyli); Knutson 2008 , photograph of II and III instar larVae (posterior end) in snail. Holotype : ♀ , “ 29 September ” [ 1905-1906 ], [ TANZANIA ], “Steppe am Kilimandjaro ” ( NRS ). WEST AFRICA : SENEGAL : Basse-Casaurance, Djibelor, en rizière, 1♂ , 11.xii.1979 , J. Etienne ( MNHNP ). GAMBIA: W. Div., Abuko Forest Reserve, 1♂, 16.xi.1993 , Deeming (NMWC); Abuko, on mature rice, 2♂, 24.xi.1993 , 1♀, 27.xi.1993 , Deeming & Shaw (NMWC); W. Div., Kombo District, Lamin Bridge, rice field nr. Lamin Bolan, tidal waterway, on young rice, 1♂1♀, 2.ix.1997 , D. J. Mann (OUM); Central River Div., N. Bank, Kuntaur Agric. Station, vegetation bordering R. Gambia, 1♀, 24.viii.1997 , D.J. Mann (OUM). GUINEA: Nimba, Nzo, 1♀, 1939, P. Lepesme, R. Paulian & A. Villiers; same locality 1♂, ii. vi.1942 , M. Lamotte; Nimba, 1♂1♀, 5.iii.1951 , Lamotte & Roy; 2♂2♀, vii–xii.1951 , Lamotte & Roy; Nimba, Yanlé, 1♂, 2.vi.1942 , M. Lamotte (all MNHNP). LIBERIA: Robertsport, 1♂, 19.xi.1943 ; 2♂, 26.xi.1942 , F.M. Snyder; Ghanga, 2♂, ix.1926 (AMNH); Lor Marquez, 1♂, 9.iv.1918 , C.W. Howard (USNM): no specific locality, 1♂, 22.x.1944 , M.S. Briscoe (USNM); Toppita, 2♂, 24.ix.1952 ; 2–5mi . E. Toppita, 1♂, 24.ix.1952 , Blickenstaff (USNM). IVORY COAST: Lamto, Yacó, rizière, 1♂, 20.xi.1970 , D. Lachaise; Réserve du Banco, 1♂, no date, Paulian & Delmare (MNHNP); Bouaké, 1♂, ii.1968 , G. Schmitz (MRAC). GHANA: Accra, Achimota, 1♂, 4.xi.1995 , M.R. Wilson (NMWC); Densu R. at Nsawam, 2♂, 8.xi.1970 , C.O. Berg (CU). NIGERIA: Zaria, Samaru, 1♀, 31.i.1970 ; 1♂, 3.ii.1970 ; 2♀, 18.ii.1970 ; 6♂3♀, 19.ii.1970 ; 1♀, 20.ii.1970 ; 1♀, 27.ii.1970 ; 1♀, 4.iii.1970 ; 1♀, 5.iii.1970 ; 1♂, 7.iii.1967 ; 1♂, 7.iii.1967 (Samaru Lake); 1♂, 19.xi.1970 ; 1♂1♀, 12.xii.1966 (Samaru Lake, Deeming (IARS); same locality, 1♂, 15.xi.1972 , J.L. Musa (IARS); 1♂, 3.i.1971 , J. Riley (Cornes/Riley coll.); 2♂2♀, 14.xii.1974 , M.A. Cornes (Cornes/Riley coll.); Samaru, 1♂, viii.1970 , P.H. Ward (NHMUK); Zaria, Samaru, Samau Lake, 7.iii.1967 (1♂, USNM), (1♀, NHMUK); same locality 1♀, 31.i.1967 ; 1♂, 24.x.1966 ; 3♂, 14.xi.1966 ; 1♂1♀, 27.xi.1967 ; 4♂1♀, 12.xii.1966 ; 1♀, 15.xii.1966 (all Deeming, published as S. saegeri , Knutson, 1968 ) (CU); Zaria, reedy stream, 1♂1♀, 10.iii.1966 (published as S. saegeri , Knutson, 1968 ) Deeming (CU); Bauchi, pond with Oryza barthii , 1♂3♀, 1–12.iv.1990 ; 1♂5♀, 5.iii.1997 , Deeming (NMWC); Kafanchan 2♂, 6.v.1975 , Deeming (IARS): Mambilla Plateau, Ngel Nyaki, overgrown cocoyam plots in village, c. 5500ft ., 1♀, 28.xi–3.xii.1968 , Deeming (IARS). NIGERIA : Bundem (rubber plantation) 26 mi . N. Calabar , 1♂ , 27.iv.1972 , J.L. Musa ( USNM ) ; Obudu Plateau , 1♂ , 27.ix.1973 , J.T. Medler ( USNM ): Oron , R. cross bank, 1♂ , 25.iv.1972 , J.L. Musa ( USNM ); W. State , Ile-Ife , 1♂ , 10.xii.1969 , J.T. Medler (USNM); same locality and collector, 1♀ , 15.viii.1971 ( MRAC ) . NIGERIA : Ibadan Univ. Bot. Garden , 3♂ , 1–2.vii.1970 , P.H. Ward ( NHMUK ) ; Oshogbo , 1♂ , 1.iii.1970 , Simpson ( NHMUK ) ; Lagos , Ikoyi , 1♀ , 3.xi.1973 , M. A . Cornes ( USNM ) ; Lagos , Ojo , 1♀ , 11.viii.1974 , M. A . Cornes ( USNM ). CAMEROUN : Lolodorf , 1♂ , 17.xii.1914 ; 1♂1♀, 6.vii.1920 ; 1♂, 28.vi.1914 ; 1♀, 23.x.1914 ; 1♀ , 3.vii.1920 , A . I. Good (CMP); Batanga , 1♀ , 31.x.1911 , A . I. Good (CMP); 23 km . N. Kumba , Bolo R., 1♂ , 1.ii.1968 ; 1♀, 20.ii.1968 ; 20 km . W. Kumba , Kwa Kwa , 1♂ , 24.i.1968 ; 2♂2♀, 12.iii.1968 ; 20 km . W. Kumba , Meme R., 1♂ , 22.i.1968 ; Kumba , 1 ex. 7.iii.1969 ; 1 ex. 27.vi.1968 ; Bolo , 2 ex. 3.ii.1968 ; 2 ex. 6.ii.1968 ; Bille , 1 ex. 10.v.1948 , Disney ( USNM ) ; Bolo Vil. , 1♂ , 1.ii.1968 , Disney (CU); Kumba , 1♂ , 6.x.1949 ; Nyasoso , 1♂ , 3.xi.1949 ; Victoria , 1♂ 29.ix.1949 , H. Oldroyd ( NHMUK ) ; Victoria , 1♀ , 1939, P. Lepesme, R. Paulian & A . Villiers ( MNHNP ) ; Rte. de N’Balmayo , rive du Nyong , 1♂ 1♀ , 19.xi.1970 , L. Matile ( MNHNP ) ; Dschang 1♂ , (no further data) ( MNHNP ) . Other new records: DEMOCRATIC REPUBLIC OF CONGO: Elizabethville, 3♂ , 11–17.ix.1931 , A . Mackie ( NHMUK ) ; Kivu , Lwira, 1♂ , 25.xi.1966 ; 1♂ 2♀ , xi–xii.1966 , Dr. Lilly ( SMS ); Sibiti , 1♂ , xi.1943 , Descamptries & Villiers ( MNHNP ); Haut-Ituri , 1750m , Nioka , 5♂ 5♀ , i and ii.1975 , F. Schäuffele ( SMS ). ETHIOPIA : Alemaya , 2♂ , 20-23.vi.1965 , A .B. Gurney ( USNM ): Bahar Dar , 3♂, 11.x.1968 ; 1♂, 12.x.1968 ; 6♂ , 17.x.1968 , K.W. & H. Harde ( SMS ); Béra Lidamo , 1♂ , 9.iv.1934 ( NRS ). UGANDA : Butandiga , Mt. Elgon , 7000ft . , 2♂ , no date, J. Ford ( NHMUK ); Namanve , 22♂ ♀ , x & xii.1934 , J. Ford ( NHMUK ). KENYA : Nyeri , 2♂ 4♀ , iii–iv,1948, M. Steele ( NHMUK ); same locality, black light , 2♂ , 4.ii.1968 , Spangler ( USNM ); Naivasha (nr. Nairobi ) , 1♂ , vii.1937 , H.J. A . Turner ( USNM ); Mt. Elgon , 2600m ., Ö sid , 9♂ 2♀ , 3.iii.1938 , A . Holm ( NRS ); Naivasha , 1♂, 14– 17.i.1972 , (USNM); 2♂ 1♀ , A . Friedberg ( TAU ). TANZANIA : Mt . Kilimanjaro , Harombo hut, 3400–3700 m ., light trap , 1♂ , 1–2.ii.1971 , J. & M. Sedlacek ( BMH ). ZIMBABWE : Umtali , 1♂ , 1926 ( AMNH ); N. Vumba , 2♂, 17.ii.1965 ; 1♂, 3.iii.1965 ; 1♂1♀, 24.iii.1965 ; 1♂, 4.iv.1964 ; 1♂1♀, 6.iv.1964 ; 2♂1♀, 16.iv.1964 ; 1♂2♀, 22.iv.1964 ; 1♂ 1♀ , 25.iv.1964 , Cookson ( Stuckenberg coll., D. Barraclough , no litt.). SOUTH AFRICA : N. Transvaal , Duivelsklonf , 1♂, Zumpt (SMS). Published records. BENIN : ( Vala et al 1994 ), which authors also list BOTSWANA , RHODESIA , and ZAIRE , but without further detail; ETHIOPIA ( Knutson 1968 ); DEMOCRATIC REPUBLIC OF CONGO ( Verbeke 1950 , 1956, 1961, 1962b, 1963): LESOTHO : ( Verbeke 1962b ): MOZAMBIQUE ( Verbeke 1962b ); SIERRA LEONE : ( Brunetti 1929 ); SOUTH AFRICA ( Verbeke 1961 , 1962b ). Biology. Vala et al . 1995 ; for the complete life-cycle (egg, I, II, III, Puparium), parasitoids/predators of semiterrestrial Succineidae snails; Knutson (2008) , confirmed this behavioural feeding.