. Bulletin of the British Museum (Natural History) Entomology. 212 M. W. R. DE V. GRAHAM. Figs 538-541 Antennae, males. 538, Aprostocetus (Aprostocetus) metra (Walker). 539, A. (A.) tymber (Walker). 540, A. (A.) lycidas (Walker). 541, A. (A.) micantulus (Thomson). The asperu/us-group Differs from the caudatus-gioup as follows. Mid lobe of mesoscutum with 2 or more rows of adnotaular setae on each side; sculpture stronger, at least slightly raised. Hind coxae with reticulation slightly to very distinctly raised. Antennal scape of <$ with ventral plaque situated above the middle. Two species
. Bulletin of the British Museum (Natural History) Entomology. 212 M. W. R. DE V. GRAHAM. Figs 538-541 Antennae, males. 538, Aprostocetus (Aprostocetus) metra (Walker). 539, A. (A.) tymber (Walker). 540, A. (A.) lycidas (Walker). 541, A. (A.) micantulus (Thomson). The asperu/us-group Differs from the caudatus-gioup as follows. Mid lobe of mesoscutum with 2 or more rows of adnotaular setae on each side; sculpture stronger, at least slightly raised. Hind coxae with reticulation slightly to very distinctly raised. Antennal scape of <$ with ventral plaque situated above the middle. Two species certainly belong to this group: asperulus and lamiicidus Kerrich (1963: 361-363), the latter described from Nigeria. Provisionally a third species, diplosidis, is placed here although it may be a discordant element. Aprostocetus (Aprostocetus) asperulus (Graham) (Figs 262, 501, 574,702) Tetrastichus asperulus Graham, 1981a: 2-5. Lectotype $, Madeira: Sao Martinho, Pico das Arrudas, (Graham) (UM), designated by Graham (19816: 20) [examined]. Aprostocetus asperulus (Graham) Graham, 1983: 38. A full description of both sexes has already been published (Graham, 1981a). Antenna 9 (Fig. 262), O" (Fig. 501), genitalia cf (Fig. 574), anelli 9 (Fig. 702). Material examined 2 cf, 30 9- Canary Islands: 3 9, Tenerife, Arona, (T. Wolschrijn) (MJG). Cape Verde. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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