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 seminuda Eichler, 1951 Myrsidea seminuda Eichler, 1951 : 53 , Fig. 8 . Type host: Thraupis palmarum melanoptera (Sclater) Myrsidea seminuda ; Price and Dalgleish, 2006 : 11 , Figs. 13–14. Redescription. Hosts: Thraupis palmarum (Wied) —Palm Tanager and T. episcopus (Linnaeus) —Blue-gray Tanager. Material studied. 6 females and 6 males , ex Thraupis episcopus (Thraupidae) , COSTA RICA : Zona Protectora Las Tablas, La Amistad Lodge ( 8°54’N , 82°47’W ; 1300m ), 19 August 2010 , Sychra and Literak leg. Deposited in INBio (O.Sychra CR165–168) and MZM (O.Sychra CR169–170). Remarks. Our specimens differ a little from the redescription of M . seminuda 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]: Female (n = 6). Length of head seta 10, 0.035–0.050; seta 11, 0.085–0.115; ratio10/11, 0.30–0.59. Metanotum 11 (12–14) marginal setae. Tergal setae: V, 43 (33–39). Sternal setae: II, 32 (38–44); sternite III with 3–10 medioanterior setae, other sternites without medioanterior setae. Dimensions: HL, 0.30 (0.31–0.32). Male (n = 6) . Tergal setae: VII, 25 (31–33); VIII, 20 (21–22). Sternal setae: II, 25 (32–37); IV, 30 (32–41); V, 31 (32–38); sternite III with 5–11 medioanterior setae, other sternites without medioanterior setae. Dimensions: AW, 0.48 (0.44–0.46); TL, 1.29 (1.24–1.28).