Myrsidea bonariensis Malcomson, 1929

Kounek, Filip, Sychra, Oldrich, Capek, Miroslav, Lipkova, Alexandra & Literak, Ivan, 2011, Chewing lice of the genus Myrsidea (Phthiraptera: Menoponidae) from the Cardinalidae, Emberizidae, Fringillidae and Thraupidae (Aves: Passeriformes) from Costa Rica, with descriptions of four new species, Zootaxa 3032, pp. 1-16 : 6

Myrsidea bonariensis Malcomson, 1929

Myrsidea bonariensis Malcomson, 1929: 728 . Type host: “ Molothrus bonariensis (Cabanis) ” —error Myrsidea bonariensis ; Price and Dalgleish, 2006: 6 , Figs. 8–9 . Redescription. Host: Tangara gyrola (Linnaeus) —Bay-headed Tanager.

Material studied. 1 female and 2 males, ex Tangara gyrola (Thraupidae) , COSTA RICA: Tapanti National Park, Sector Tapanti (09°46’N, 83°47’W; 1200m), 5 August 2009, Sychra and Literak leg.; 1 female and 1 male, ex Tangara gyrola , COSTA RICA: Zona Protectora Las Tablas, La Amistad Lodge (8°54’N, 82°47’W; 1300m), 20 August 2010, Sychra and Literak leg. Deposited in INBio (O.Sychra CR156–158); 2 females and 2 males, ex Tangara dowii —Spangle-cheeked Tanager ( Thraupidae ). COSTA RICA: Tapanti National Park, Sector Tapanti (09°46’N, 83°47’W; 1200m), 9 August 2009, Sychra and Literak leg.; 6 females and 8 males, ex Tangara dowii , COSTA RICA: Braulio Carillo National Park, Sector Barva (10˚07’N, 84˚07’W; 2600m), 6 August 2010, Sychra and Literak leg. Deposited in INBio (O.Sychra CR147–153) and MZM (O.Sychra CR154–155).

Remarks. Although Bueter et al. (2009) mentioned Myrsidea sp. from T. dowii , this is the first determination of any species of a chewing louse from this host. Our specimens differ from the redescription of M. bonariensis presented by Price and Dalgleish (2006) by setal counts and dimensions as follows [setal counts and dimensions mentioned by Price and Dalgleish (2006) are in parentheses]:

From T. gyrola :

Female (n = 2). Length of head seta 10, 0.040; seta 11, 0.100; ratio10/11, 0.40. Tergal setae: VIII 24 (18–23). Sternal setae: II, 33 (34–41); VIII–IX, 26 (20–23); sternites III–VII without medioanterior setae. Dimensions: PW, 0.27–0.29 (0.28–0.31); MW, 0.46 (0.40–0.45); AW, 0.54–0.55 (0.55–0.59); ANW, 0.22–0.23 (0.20–0.21).

Male (n = 3).Tergal setae: II, 36–38 (28–33); VI, 42–43 (30–39); VII, 35–36 (26–32). Sternal setae: III, 34 (22–32); IV–V, 42 (31–39); VI, 37–42 (30–35); VII, 27–30 (18–24); sternite III with 1–2 medioanterior setae (one male without seta), other sternites without medioanterior setae. Dimensions: TL, 1.23 (1.13–1.21).

From T. dowii :

Female (n = 8). Length of head seta 10, 0.045–0.050; seta 11, 0.100–0.110; ratio10/11, 0.41–0.50. Sternal setae: II, 23–30 (34–41); VIII–IX, 26 (20–23); sternites III–VII without medioanterior setae. Dimensions: TW, 0.41 (0.43–0.45); HL, 0.26–0.27 (0.28–0.31); PW, 0.24–0.27 (0.28–0.31); AW, 0.52–0.54 (0.55–0.59); TL, 1.35– 1.39 (1.38–1.51); ANW, 0.16–0.20 (0.20–0.21).

Male (n = 10). Tergal setae: I, 18–19 (20–26); II, 26–27 (28–33). Sternal setae: II, 23–25 (28–34); VII, 26–27 (18–24); VIII, 14–19 (7–13); sternite III with 0–1 medioanterior seta (3 males without seta, 3 males with one seta), other sternites without medioanterior setae. Dimensions: TW, 0.38–0.39 (0.39–0.41); HL, 0.25–0.26 (0.27–0.29); PW, 0.23–0.25 (0.26–0.28); MW, 0.33–0.34 (0.34–0.36).

Figures

FIGURES 7 – 12. 7 – 9. Myrsidea roubalovae sp. nov. 7, Female (dorsal side on the left, ventral side on the right). 8, Male sternite II. 9, Male genital sac sclerite. 10 – 12. Myrsidea rubica sp. nov. 10, Female (dorsal side on the left, ventral side on the right). 11, Male sternite II. 12, Male genital sac sclerite. Scales 0.50 mm (Figs. 7, 10), 0.10 mm (Figs. 8, 11), 0.05 mm (Figs. 9, 12).