A review of the genus Hoplistomerus Macquart, 1838 (Diptera: Asilidae: Laphriinae) Author Londt, Jason G. H. text African Invertebrates 2007 2007-12-31 48 2 167 198 journal article 10.5281/zenodo.7667859 2305-2562 7667859 Hoplistomerus engeli Oldroyd, 1940 Figs 8–10 Hoplistomerus caliginosus : Engel ( nec Wulp) 1932: 257. Misidentification. Hoplistomerus engeli : Oldroyd 1940: 316 (fig. 5f ơ clasper); 1980: 350 (catalogue); Hull 1962: 96 . Diagnosis: Size: Moderate (wing length from humeral cross-vein to tip 8–11 mm ). Head : Eye wider than face (in anterior view measured at level of greatest head width). Relative proportions of antennal segments (scape, pedicel and postpedicel) 1.0:0.9:2.5 (i.e. scape and pedicel approximately equal; postpedicel less than three times length of scape). Thorax : Presutural macroseta(e) present. Anepisternal macroseta present. Prosternal ventromedial setation short to absent. Male metatibial spur small. Scutellum lacking a transverse groove at mid-length. Wing cell m 3 with microtrichia limited to a narrow posterior strip and small distoposterior area. Prothoracic coxa and prosternum both dark red-brown. Prothoracic femur dark red-brown (tips may be paler). Abdomen : T3 setulae entirely white (no golden setae evident). ơ genitalia as in Figs 8–10 . Type specimens studied (all BMNH): SOMALIA : 1ơ holotype , ‘Holo- / type’, ‘Bohotle [ 08°15'N : 46°20'E ] / Somaliland. /1903. / Vety-Major A. F. Appleton. / 1907–89’, ‘ Holotype / Hoplistomerus ơ / engeli Oldr. / det. H. Oldroyd 1940 ’; 1ơ 1^paratypes , same date but labeled as paratypes . KENYA [? SOMALIA ]: 1^paratype , ‘Neboi, / 6.vi.22, ‘ Kenya Colony / Northern Frontier Distr. / Juba R. [ 00°15'S : 42°38'E ] / Dr. J. O. Bevan’. Note: I do not know where Neboi is and can not trace a river in Kenya by the name of Juba. However, a ‘stream’ by that name exists in the SW of Somalia near the Kenyan border which seems the most likely locality. Other specimens studied: SOMALIA : 1^Diinsoor [Dhiin Soor, 02°24'N : 42°59'E ], 26.xi.1983 , Lavigne; 2ơ Baidoa [ 03°04'N : 43°48'E ], 11.xi.1983 , Lavigne; 1^Baidoa, 18.xi.1983 , Lavigne; 1^Baidoa, 23.xi.1983 , Lavigne; 1^Baidoa, 7.xi.1985 , Lavigne . Notes: Oldroyd (1940: 316) discusses Engel’s (1932) record of H . caliginosus from Neboi. Having seen one such specimen I can confirm that it is not caliginosus but agrees well with Oldroyd’s engeli males from Bohotle. Distribution and biology: All verified localities for engeli are in Somalia . While most of the material was collected in November, the Neboi paratype was apparently collected in June (Table 1).