Morphological revision of the hyperdiverse Brueelia - complex (Insecta: Phthiraptera: Ischnocera: Philopteridae) with new taxa, checklists and generic key Author Bush, Sarah E. text Zootaxa 2017 2017-08-31 4313 1 1 443 journal article 32249 10.11646/zootaxa.4313.1.1 d8cc2cd8-8410-49aa-a75d-7a41d9f52b26 1175-5326 883161 A5Fdfba5-F992-44A8-84C2-1756C943C19B Teinomordeus Gustafsson & Bush , new genus Type species. Teinomordeus entelosetus new species Diagnosis. Teinomordeus n. gen. ( Figs 75–76 ) is morphologically similar to Brueelia s. str. ( Figs 42–43 ), sharing the same preantennal head structure and chaetotaxy, except that s3 is present in Teinomordeus ( Fig. 77 ) but absent in most Brueelia s. str. ( Fig. 44 ). The two genera are separated by the following characters: antennae monomorphic in Brueelia s. str. ( Fig. 44 ; except species on Turdoides spp.) but sexually dimorphic in Teinomordeus ( Figs 77–78 ); ps absent on segment II in female Brueelia s. str. ( Fig. 43 ) but present in female Teinomordeus ( Fig. 76 ); female subgenital plate with cross-piece in Brueelia s. str. ( Fig. 48 ), but without cross-piece in Teinomordeus ( Fig. 82 ); ss absent in male Brueelia s. str. on tergopleurites III–IV [except in Br . nebulosa ( Burmeister, 1838 ) where ss are present on tergopleurite IV; Table 3 ], but these are present in Teinomordeus ( Fig. 75 ). In male Br . brachythorax tps are absent, but these are present in male Teinomordeus ( Fig. 75 ) and in some groups of Brueelia s. str. (see Table 3 ); however, only in Br . brevipennis and Br . nebulosa and near relatives of these are tps present on tergopleurite V. Male genitalia of Teinomordeus ( Figs 79–81 ) similar to those of Anarchonirmus n. gen. ( Figs 118–120 ), but differs in the shape of the basal apodeme and mesosomal lobes. In both genera, antennae are sexually dimorphic, but this is more pronounced in Anarchonirmus ( Figs 116–117 ) than in Teinomordeus ( Figs 77–78 ). Clypeo-labral suture does not reach anterior margin of head in Anarchonirmus ( Fig. 116 ), but does so in Teinomordeus ( Fig. 77 ). Tergopleurites reach lateral margins of abdomen in Teinomordeus ( Figs 75–76 ) but not in Anarchonirmus ( Figs 114–115 ). There are also differences in abdominal chaetotaxy of both genera (see Table 2 ), and while the female subgenital plate flares into a medianly displaced cross-piece in Anarchonirmus ( Fig. 121 ), no cross-piece is present in Teinomordeus ( Fig. 81 ). Description. Both sexes . Head convex-dome shaped ( Fig. 77 ), preantennal area shorter than postantennal area in male, but not in female. Marginal carina narrow, not interrupted, but deeply displaced posteriorly and dorsally at clypeo-labral suture. Frons hyaline. Ventral carinae diffuse anterior to pulvinus, not clearly continuous with marginal carina. Head setae as in Fig. 77 ; as3 and pns absent; ads very long; pos on eye. Ventral anterior plate absent. Antennae sexually dimorphic: male scape ( Fig. 77 ) longer and broader than female scape ( Fig. 78 ). Coni small. Marginal and occipital carinae not visible. Marginal temporal carina narrow; mts 3 only macroseta. Gular plate diffuse, broadly triangular. Prothorax ( Figs 75–76 ) rectangular; ppss on postero-lateral corner. Proepimera with hook-shaped median ends. Pterothorax trapezoidal: lateral margins divergent, posterior margin gently rounded. Meso- and metasterna not fused; one seta on postero-lateral corner of each on each side. Median ends of metepisterna blunt; mms moderately separated medianly. Leg chaetotaxy as in Fig. 25 , except fI-p2, fI-v4, fII-v2, fIII-v2 absent. Abdomen ( Figs 75–76 ) oval, more oblong in female. Tergopleurites rectangular; tergopleurites II–IX+X in male and tergopleurites II–VIII in female narrowly divided medianly. Female tergopleurite XI diffuse. Sternal plates medianly continuous, rectangular, in male approaching pleurites. Pleurites completely fused to tergopleurites; re-entrant heads absent. Abdominal chaetotaxy as in Table 2 . Male subgenital plate broadly trapezoidal, reaching posterior margin of abdomen. Female subgenital plate broadly trapezoidal, reaching or approaching vulval margin, but not flaring into cross-piece. Vulval margin ( Fig. 82 ) with slender vms , thorn-like vss . vos follows lateral margins of subgenital plate; distal vos median to vss . Basal apodeme ( Fig. 79 ) slenderly rectangular, lateral sections extending distally. Proximal mesosome small, rounded. Gonopore ( Fig. 80 ) large, open distally, antero-laterally with pronounced extensions. Mesosomal lobes large, elongated, rugose distally. Two pmes visible on each lobe. Parameral heads ( Fig. 81 ) bluntly bifid. Parameral blades elongated distally, with distinct median heel just distal to mesosome; pst1–2 near distal end. Host distribution. Limited to a single species of Laniidae , Eurocephalus rueppelli . Geographical range. Afrotropical. Etymology. Teinomordeus is formed by Greek “ teino ” for “extended”, referring to the distally elongated parameres, and Latin “ mordeo ” for “biting”, referring to the fact that this is a chewing louse. Gender: masculine. Remarks. No representative of Teinomordeus was included on the phylogeny of Bush et al . (2016), and its relationships with other members of the Brueelia -complex are unknown. Similarities in head structure and structure of male genitalia places the genus close to Brueelia s. str. Included species * Teinomordeus entelosetus new species