Resartor Gustafsson & Bush

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: 104-105

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Resartor Gustafsson & Bush

new genus

Resartor Gustafsson & Bush  , new genus

Brueelia Kéler, 1936a: 257  (in partim).

Type species. Brueelia impressifrons Ansari, 1956a: 152  ex Trochalopteron affine affine Blyth, 1843  .

Diagnosis. Resartor  n. gen. is most similar to Ceratocista  n. gen.; for a detailed comparison between these two genera see Ceratocista  . Lack of pos and pns, as well as general habitus similar to Aratricerca  n. gen. ( Figs 168– 174View FIGURES 168 – 169View FIGURES 170 – 174) and Turdinirmoides  n. gen. ( Figs 175–181View FIGURES 175 – 176View FIGURES 177 – 181), and members of these two genera also have thumb-like median extensions on the ventral carinae and slender proximal mesosomes. Leg chaetotaxy of Ceratocista  , Resartor  , and Aratricerca  , but not Turdinirmoides  , is identical, and aps  are absent in both sexes in all four genera. However, while in Ceratocista  ( Fig. 154View FIGURES 153 – 154) and Resartor  ( Fig. 162View FIGURES 161 – 162) the females lack ss entirely, these are found in tergopleurites II –VIII in both Aratricerca  ( Fig. 169View FIGURES 168 – 169) and Turdinirmoides  ( Fig. 176View FIGURES 175 – 176). In both Aratricerca  ( Fig. 170View FIGURES 170 – 174) and Turdinirmoides  ( Fig. 177View FIGURES 177 – 181) the dorsal preantennal suture reaches dsms, ads, and the lateral margin of the head near the dsms, where the marginal carina may be interrupted, and both genera have a ventral anterior plate. In Resartor  ( Fig. 163View FIGURES 163 – 167), as in Ceratocista  ( Fig. 155View FIGURES 155 – 160), the dorsal preantennal suture only interrupts the marginal carina submedianly, and does not reach either the dsms nor the ads; Resartor  lacks a ventral anterior plate, but this is present in Ceratocista  . The female subgenital plate of Resartor  flares into a mediany interrupted cross-piece ( Fig. 167View FIGURES 163 – 167), just like in Ceratocista  ( Fig. 160View FIGURES 155 – 160), but unlike Aratricerca  which has a gently narrowed subgenital plate without a cross-piece ( Fig. 174View FIGURES 170 – 174); the vulval margin in Turdinirmoides  ( Fig. 181View FIGURES 177 – 181) has a detached cross-piece. Parameral heads of Resartor  are bifid ( Fig. 166View FIGURES 163 – 167), as in Aratricerca  ( Fig. 173View FIGURES 170 – 174) and Ceratocista  ( Fig. 159View FIGURES 155 – 160), but unlike Turdinirmoides  ( Fig. 180View FIGURES 177 – 181) in which they are folded into horseshoe-shapes. Parameral blades and mesosome of Resartor  ( Figs 165–166View FIGURES 163 – 167) are also most similar to those of Ceratocista  ( Figs 158–159View FIGURES 155 – 160), but Resartor  shares the somewhat angular mesosomal lobes and slender proximal mesosome with Aratricerca  n. gen ( Fig. 172View FIGURES 170 – 174); the differences is structure of the male genitalia are considerable between the two genera, however.

Description. Both sexes. Head elongated pentagonal ( Fig. 163View FIGURES 163 – 167), frons often concave. Marginal carina interrupted only submarginally. Displaced section of marginal carina present at osculum, forming nail-like marginal carinal plate with sinuous posterior margin. Dorsal preantennal suture arising from interruptions of marginal carina not reaching ads or dsms; suture not medianly continuous posterior to dorsal anterior plate. Ventral carinae with finger-like median protrusion; carinae diffuse anterior to pulvinus. Ventral anterior plate absent. Head setae as in Fig. 163View FIGURES 163 – 167; avs2 much shorter than avs3; pns and pos absent. Coni small. Antennae monomorphic. Temporal carinae not visible; mts  3 only macrosetae. Gular plate roughly triangular.

Prothorax roughly rectangular ( Figs 161–162View FIGURES 161 – 162), but lateral margins convex; ppss on postero-latera corner. Proepimera hammer-shaped medianly. Pterothorax pentagonal; lateral margins divergent and posterior margin convergent to median point ( Figs 161–162View FIGURES 161 – 162). Meso- and metasterna not fused, 1 seta on postero-lateral corner on each side of each plate. mms widely separated medianly. Leg chaetotaxy as in Fig. 25View FIGURES 25, except fI-p2, fI-v4 absent.

Abdomen ( Figs 161–162View FIGURES 161 – 162) oblong. Abdominal chaetotaxy differs among species ( Table 5). Terminal end of abdomen rounded in male, shallowly divided in female. Tergopleurites II –IX+X in male and tergopleurites II –VIII in females narrowly divided medianly, rectangular. Female tergopleurite IX+X fused with tergopleurite XI. Sternal plates square-shaped, not approaching pleurites. Pleural incrassations prominent. Re-entrant heads moderate to large. Male subgenital plate trapezoidal. Female subgenital plate pentagonal ( Fig. 167View FIGURES 163 – 167), reaching vulval margin where it flares into medianly displaced cross-piece.

Male genitalia as in Fig. 164View FIGURES 163 – 167. Proximal mesosome slender, roughly trapezoidal, wideing slightly in proximal end. Gonopore ( Fig. 165View FIGURES 163 – 167) as convergent ventral thickenings, open distally and proximally or only distally and extended to reach lateral margins of mesosome. Mesosomal lobes small, angular, extending dorsally to slightly overlap with parameres. Parameral heads ( Fig. 166View FIGURES 163 – 167) bifid or folded into small heart-shapes. Parameral blades triangular; pst1–2 not visible, but all examined males with partially everted male genitalia, and these could be overlooked.

Host distribution. All known species are found on members of Leiothrichidae  . 

Geographical range. Presently know only from South Asia. 

Etymology. Resartor  is formed by Latin “ sartor ”, meaning “tailor”, with the prefix “ re- ” meaning “back, again”; the full name thus means “The Re-tailor”, and is modified from the title of Thomas Carlyle's (1795–1881) “ Sartor Resartus ”, first published in Fraser's Magazine between 1833–1834. The name is partially a homage to the idea, first suggested by Hamilton & Zuk (1982), that parasites could be the cause of colorful and extravagant plumages in birds; lice could thus be said to be “re-tailoring” the plumages of their hosts. However, there is also a likeness between the head structure the species of this genus and the structure of the needle plate of many modern sewing machines, reinforcing the “tailoring” impression of these lice. Gender: masculine.

Remarks. The phylogeny of Bush et al. (2016) included a single undescribed species of Resartor  from Trochalopteron milnei (David, 1874)  , which was placed as sister to an undescribed Aratricerca  from Randia pseudozosterops Delacour and Berlioz, 1931  . These two in turn were placed close to Indoceoplanetes  n. gen. and Maculinirmus  , but the placement received low support. However, no representative of several morphologically similar genera were included in that phylogeny, and the relationships among Resartor  and Turdinirmus  and Turdinirmoides  n. gen. are unclear.

Included species

* Resartor effronte ( Ansari, 1956a: 155)  n. comb. [in Brueelia  ] * Resartor impressifrons ( Ansari, 1956a: 152)  n. comb. [in Brueelia  ] * Resartor novofacies ( Ansari, 1956a: 154)  n. comb. [in Brueelia  ]












Resartor Gustafsson & Bush

Bush, Sarah E. 2017

Brueelia Kéler, 1936a : 257

Keler 1936: 257

Resartor effronte ( Ansari, 1956a: 155 )

Ansari 1956: 155
Ansari 1956: 152
Ansari 1956: 154