Priceiella (Thescelovora)

Bush, Sarah E., 2017, Morphological revision of the hyperdiverse Brueelia - complex (Insecta: Phthiraptera: Ischnocera: Philopteridae) with new taxa, checklists and generic key, Zootaxa 4313 (1), pp. 1-443: 185-186

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Priceiella (Thescelovora)


Priceiella (Thescelovora)  Gustafsson & Bush, new subgenus

Type species. Priceiella (Thescelovora) alliocephala  new species

Diagnosis. Priceiella (Thescelovora)  n. subgen. is the most aberrant of the four subgenera, from which it is separated by the following characters: dorsal preantennal suture, if present, originates around dsms and reaches towards or to ads ( Fig. 302View FIGURES 302 – 306), whereas the suture, if present, in the other three subgenera is restricted to either ads ( Fig. 279View FIGURES 279 – 284) or dsms ( Fig. 287View FIGURES 287 – 291); aps  absent in male Pr. (Thescelovora) ( Fig. 300View FIGURES 300 – 301), and not present on segment IV –V as in the other three subgenera ( Figs 277View FIGURES 277 – 278, 285View FIGURES 285 – 286, 307View FIGURES 307 – 308); mesosome abruptly narrowed anterior to gonopore in Pr. (Thescelovora) ( Fig. 304View FIGURES 302 – 306) as in Pr. ( Priceiella  ) ( Fig. 282View FIGURES 279 – 284), but unlike Pr. (Camurnirmus) ( Figs 289View FIGURES 287 – 291, 297View FIGURES 294 – 299) and Pr. (Torosinirmus) ( Fig. 302View FIGURES 302 – 306), where the mesosome narrows more gradually.

Description. Both sexes. As in genus description except: dorsal preantennal suture typically present at dsms but extends posteriorly and may reach ads ( Fig. 302View FIGURES 302 – 306); abdominal chaetotaxy as in Tables 2 and 8; both sexes without ps on segment III; antero-lateral corners of sternal plates not thickened ( Figs 300–301View FIGURES 300 – 301).

Male. aps  absent on male tergopleurites VI –VII, may also be absent on male tergopleurites IV –V ( Fig. 300View FIGURES 300 – 301). Males without aps  on tergopleurite III. No accessory sternal plates lateral to male subgenital plate. Proximal mesosome oval to rectangular, markedly narrowed compared to distal mesosome ( Fig. 304View FIGURES 302 – 306). Gonopore open or closed proximally ( Fig. 304View FIGURES 302 – 306); if closed often diffuse (not illustrated). Ventral rugose nodi present or absent; if present restricted to lateral margin; 2 ames microsetae on each side submedianly near gonopore; 2 pmes sensilla on each side lateral to ames. Parameral blades ( Fig. 305View FIGURES 302 – 306) parallel or slightly divergent distally, typically short.

Etymology. The name Thescelovora is formed by Greek “ theskelos ” for “marvelous” or “wondrous”, and Latin “ vorare ” for “to devour”.