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 Author Kounek, Filip Author Sychra, Oldrich Author Capek, Miroslav Author Lipkova, Alexandra Author Literak, Ivan text Zootaxa 2011 3032 1 16 journal article 46326 10.5281/zenodo.278715 631bcf14-5ada-441e-8de1-816275ccc240 1175-5326 278715 Myrsidea marini Price and Dalgleish, 2007 Myrsidea marini Price and Dalgleish, 2007 : 12 , Figs. 37–38. Type host: Pezopetes capitalis Cabanis—Large-footed Finch Material studied. 2 females and 2 males , ex Pezopetes capitalis (Emberizidae) , COSTA RICA : Braulio Carillo National Park, Sector Barva (10˚07’N, 84˚07’W; 2600m ), 6 August 2010 ; 2 females and 2 males , Tapanti National Park, Sector Cerro de la Muerte ( 9°33’N , 83°43’W ; 3100m ), 15 August 2010 , Sychra and Literak leg. Deposited in INBio (O.Sychra CR123–125) and MZM (O.Sychra CR126). Remarks. Our specimens differ from the description of M . marini presented by Price and Dalgleish (2007) by setal counts and dimensions as follows [setal counts and dimensions mentioned by Price and Dalgleish (2007) are in parentheses]: Female (n = 4) . Length of head seta 10, 0.040–0.050; seta 11, 0.110–0.120; ratio10/11, 0.33–0.45. Gula 4–6 (5) setae on each side. Metasternal plate with 8 (9) setae. Tergal setae: I, 31–37 (27); II, 28–30 (27); III, 26–29 (24– 25); IV, 27 (24–25); V, 27 (24–25); VI, 23–24 (22), VII, 22–23 (19–20), VIII, 12–16 (19–20). Sternal setae: II, 19– 23 (20) marginal between asters, 11–17 (10) anterior; III, 26 (28); VI, 25–29 (33–35); VII, 17–18 (22); VIII–IX, 29–32 (31); with 7 medioanterior setae on sternite III. Dimensions: TW, 0.48 (0.45); PW, 0.32 (0.31); MW, 0.50 (0.49); AW, 0.66 (0.60); TL, 1.50–1.63 (1.56). Male (n = 4) . Tergal setae: I, 22–24 (23); II, 20–22 (25); III, 25 (22–24); VI, 21–25 (22–24), VII, 22–23 (25), VIII, 19–23 (22). Sternal setae: II, 18–19 (16) marginal between asters, 14–16 (17) anterior; III, 30–32 (31); IV, 42 (36–39); V, 40 (36–39); VI, 41 (36–39);VII, 30–31 (34); VIII, 29 (25); including medioanterior setae: III, 8–9; IV, 8; V, 5; VI, 9; VII, 5–8. Dimensions: TL, 1.33–1.35 (1.39).