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 valimi Price and Johnson, 2009 Myrsidea valimi Price and Johnson, 2009 : 65 , Figs. 5–6 . Type host: Euphonia anneae Cassin—Tawny-capped Euphonia . Material studied. 2 females and 1 male , ex Euphonia anneae (Fringillidae) , COSTA RICA : Tapanti National Park, Sector Tapanti ( 09°46’N , 83°47’W ; 1200m ), 5 August 2009 , Sychra and Literak leg. Deposited in INBio (O.Sychra CR127–128). Remarks. This is the first record of this species of Myrsidea from Costa Rica . Specimens studied differ from the description of M . valimi presented by Price and Johnson (2009) by setal counts and dimensions as follows [setal counts and dimensions mentioned by Price and Johnson (2009) are in parentheses]: Female (n = 2) . Length of head seta 10, 0.040; seta 11, 0.95–0.100; ratio10/11, 0.40–0.42. Metanotum 10 (9) marginal setae, metasternum 7 (6) setae. Tergal setae: I, 15 (12–13); II, 19 (16); V, 18 (13– 16). Sternal setae: III, 22 (23–25); IV, 34 (23–28); V, 34 (29–31); VI, 29 (21–24); VII, 15 (12–13); sternites III–VII without medioanterior setae. Dimensions: TW, 0.42 (0.40–0.41). Male (n = 1) . Sternal setae: III, 17 (19–20); IV, 26 (21–25), V, 26 (21–25); VI, 28 (21–25); VII, 19 (12–13). Sternites III–VII without medioanterior setae.