Neomochtherus instabilis Tsacas, 1969: 19–21 Tsacasiella instabilis Afrotropical Asilinae (Asilidae): A provisional key to genera, with a review of the status of Neomochtherus Osten Sacken, 1878, and descriptions of new genera and species Londt, Jason G. H. African Invertebrates 2002 2002-12-31 43 11 92 (Tsacas, 1969) Tsacas 1969 [332,737,206,231] Insecta Asilidae Tsacasiella Animalia Diptera 48 59 Arthropoda species instabilis    Neomochtherus instabilisTsacas, 1969: 19–21.   Tsacasiella instabilis; Lehr, 1996: 73.  Type material:  Holotype: DR CONGO: 1ơ [seen], ‘Holo- / type’, ‘Kambove, [ 10 °52'S: 26 °35'E] / Katanga. / 2.4.07 /  4,000 – 5,000ft.’, ‘Neave Coll / 1907-230’, ‘  Neomochtherus/  instabilis n.sp./ HolotypeM / L. Tsacas Det 1967’ ( BMNH).   Materialexamined: MALAWI: 2ơ 2^, 80 kmS. of Mzimba, SE1233BC,  27.ii.1987, J. & A. Londt, Longgrass & trees near Luwelezi river.   Typelocality: Democratic Republic of Congo, Kambove.   Comments: Althoughthe Malawimaterial bears a strong resemblance to the holotype, especially with respect to the male genitalia, minor differences, considered to represent individual variation, do exist. Far more new material is required before a good understanding of the species can be achieved. 1987-02-27 J. & A. Londt & Long Malawi Luwelezi river Material 48 59 1 Mzimba [144,783,462,487] Democratic Republic of the Congo Kambove 48 59 1 holotype Malawi Comments Although 48 59 1 holotype