Bizarrifrons

Valim, Michel P. & Palma, Ricardo L., 2012, Redescriptions of two species and descriptions of three new species of the louse genus Bizarrifrons Eichler, 1938 (Phthiraptera: Ischnocera: Philopteridae), Zootaxa 3273, pp. 28-50 : 49

publication ID

https://doi.org/ 10.5281/zenodo.208835

DOI

https://doi.org/10.5281/zenodo.6172365

persistent identifier

https://treatment.plazi.org/id/E1161B34-FF85-0837-20CA-88DD23CCB566

treatment provided by

Plazi

scientific name

Bizarrifrons
status

 

Key to the species of Bizarrifrons

1 Tergal plates not entirely pigmented (as in Figs 5–6 View FIGURES 5 – 8 ); sparse tergal chaetotaxy in both sexes (as in Figs 9–10 View FIGURES 9 – 10 , 18 View FIGURES 18 – 23 , 24–25 View FIGURES 24 – 25 ).......................................................................................... magus group … 2

1’ Tergal plates entirely pigmented (as in Figs 7–8 View FIGURES 5 – 8 ); dense tergal chaetotaxy in both sexes (as in Figs 33–34 View FIGURES 33 – 34 , 40–41 View FIGURES 40 – 41 )............................................................................................. picturatus group … 7

2 Female subgenital plate distally narrow (see Fig. 3 View FIGURES 1 – 4 h in Eichler, 1938: 234)................................. B. clayae

2’ Female subgenital plate distally broad (as in Fig. 15 View FIGURES 11 – 17 ).......................................................... 3

3 Conus at most reaching the first antennal segment (scape) ( Fig. 11 View FIGURES 11 – 17 ).............................................. 4

3’ Conus surpassing the first antennal segment................................................................. 6

4 Frons markedly asymmetric (as in Figs 9–10 View FIGURES 9 – 10 , 24–25 View FIGURES 24 – 25 )......................................................... 5

4’ Frons slightly asymmetric ( Figs 18 and 21 View FIGURES 18 – 23 ).................................................. B. latifrons sp. nov.

5 Males: tergites VII with <6 setae on each side (including the inner and outer posterior setae, but not the postspiracular and its accessory); tergite VIII with <8 posterior setae on each side; tergites IX+X broad; subgenital plate without transversal fenes- trae. Females: tergite IX+X entirely brown.......................................................... B. magus

5’ Males: tergites VII with ≥ 6 setae on each side; tergite VIII with ≥ 8 posterior setae on each side; tergites IX+X thin; subgenital plate with transversal fenestrae. Females: tergite IX+X largely white........................... B. wecksteini sp. nov.

6 Male genitalia with large and broad callus on the posterior and lateral margins of the mesomeral complex (see Fig. 2 View FIGURES 1 – 4 b in Eichler, 1938: 230)............................................................................. B. francisi

6’ Male genitalia with large and broad callus only on the posterior margin of the mesomeral complex (see Fig. 2 View FIGURES 1 – 4 c in Eichler, 1938: 230)............................................................................ B. meinertzhageni

7 Frons slightly asymmetric ( Figs 40–41 View FIGURES 40 – 41 ); male subgenital plate with transversal fenestrae ( Figs 20–23 View FIGURES 18 – 23 )................................................................................................ B. quasisymmetricus sp. nov.

7’ Frons markedly asymmetric ( Figs 33–34 View FIGURES 33 – 34 ); male subgenital plate without fenestrae (as in Fig. 14 View FIGURES 11 – 17 )..................... 8

8 Male genitalia with large and broad callus on the posterior margin of the mesomeral complex (as in Fig. 37 View FIGURES 35 – 39 )... B. picturatus

8’ Male genitalia with small and narrow callus on the posterior margin of the mesomeral complex (see Fig. 47 View FIGURES 42 – 49 in Carriker & Díaz-Ungría, 1961: 45)........................................................................ B. juruani

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