Quadraceps punctatus regressus Timmermann, 1952

Al-Ahmed, Azzam, Shobrak, Mohammed & Nasser, D., 2014, Chewing lice (Phthiraptera: Amblycera, Ischnocera) from Red Sea gulls with new host-parasite records, Zootaxa 3790 (4), pp. 567-576 : 573

Quadraceps punctatus regressus Timmermann, 1952

( Figs 3 d, 4g)

Quadraceps punctatus regressus Timmermann, 1952a: 215 .

Quadraceps punctatus regressus Timmermann, 1952 ; Price et al. 2003: 227.

Type host. Larus argentatus Pontoppidan, 1763 —Herring gull

Material examined (n = 4). Ex Larus argentatus Pontoppidan, 1763: 3 ♂, Jazan Fish Market (16o54''12''N, 42o32'40''E), 24 Nov. 2012.

Ex Larus armenicus Buturlin, 1934: 1 ♂, Jazan Fish Market (16o54'9''N, 42o32'40''E), 23 Nov. 2012.

Quadraceps punctatus regressus is characterized by: a marked reduction of its black spots ( Fig. 3 d); the prothorax having four clearly separated spots ( Fig. 4 g); and the first abdominal segment of the male with a dark anterior spot, but not in the female. This is the first record of Q. punctatus regressus from the Armenian gull ( Larus armenicus ).

Figures

FIGURE 3. a, male Actornithophilus piceus lari; b, male Austromenopon transversum; c, male Quadraceps punctatus clayae; d, male Quadraceps punctatus regressus; e, male Saemundssonia lari; f, female Saemundssonia lari.

FIGURE 4. a, male genitalia Actornithophilus piceus lari; b, prothorax Austromenopon transversum; c, male genitalia Quadraceps punctatus; d, male genitalia Saemundssonia lari. Prothorax pigmentation: e, Quadraceps punctatus pallidus; f, Quadraceps punctatus clayae; g, Quadraceps punctatus regressus.