. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 456 ANNALS OF THE SOUTH AFRICAN MUSEUM in a ventrally directed median spine-like process; lateral struts ear-shaped; dorso-apical angles of terminal lamellae as in punctipennis, not hook-like. From incisuralis this species differs in its large size, in having 6, and not 4 or 5, spots in wings (the one at base of third vein included) of which the one at base of third posterior cell is large and not faint or wanting, in having red- dish golden bristles on humerus, in mesopleural tuft, on coxae and acro
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 456 ANNALS OF THE SOUTH AFRICAN MUSEUM in a ventrally directed median spine-like process; lateral struts ear-shaped; dorso-apical angles of terminal lamellae as in punctipennis, not hook-like. From incisuralis this species differs in its large size, in having 6, and not 4 or 5, spots in wings (the one at base of third vein included) of which the one at base of third posterior cell is large and not faint or wanting, in having red- dish golden bristles on humerus, in mesopleural tuft, on coxae and across hind margin of tergite 1 laterally, more conspicuous red hind margins to tergites and sternites and in the hypopygium (cf. text-figs. 168 and 170) in which the beaked apical j oints are relatively longer, narrower and more slender, the apical part of guide is slightly different, the spherical part of aedeagus is larger and the lateral struts broader. From 1 o* and 2 $$ (holotype in the South African Museum and allotype in the Rhodesian Museum).. Text-fig. 168. Side view of hypopy- gium and dorsal view of right beaked apical joint of <$ Argyrameoba robus- talis n. sp. Length of body: about 14-15 mm. Length of wing: about 16\ mm. Locality: Zululand: Mfongosi (Jones, April-May, 1934) (holotype). Southern Rhodesia: Bindura (allotype); Bembesi River (Rhod. Mus., April 1937)- Argyramoeba pycnopeltis n. sp. A remarkable species which, like the one described below, differs from all the other known South African species in this category in certain important respects. It can only be confused with robustalis and the other species described below and to a lesser extent with forms of incisuralis. Body mostly black; basal part of face, sutural parts of pleurae and postalar callosities dark reddish brownish to a variable extent; antennal joints 1 and 2, broadish hind margins of tergites, especially sides of 2 and 3 and entire margins of the others, more broadly on sides and in $ almost
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
