Chewing lice (Phthiraptera) from buntings, cardinals and tanagers (Passeriformes: Emberizidae, Cardinalidae, Thraupidae) from Costa Rica, with descriptions of two new species of the genus Myrsidea (Phthiraptera: Menoponidae) Author Č, Ř Á text Zootaxa 2007 1631 57 68 journal article 10.5281/zenodo.179415 4bbc16dd-23b5-4726-a4dc-0f6b2688c0d4 1175-5326 179415 Host: Habia fuscicauda (Cabanis) – Red-throated Ant-Tanager One chewing louse species was found on this host: Myrsidea fuscicaudae Price & Dalgleish, 2006 Myrsidea fuscicaudae Price & Dalgleish, 2006 : 14 , fig.18. Type host. Habia fuscicauda (Cabanis) Material studied. 31 males , 30 females and 96 nymphs ex Habia fuscicauda , COSTA RICA : Hitoy Cerere BR, Provincia Limỏn ( 9°40’N , 85°05’W ), 18–25 August 2004 , Literák, Č apek & Havlίček coll. Deposited in INBio – O. Sychra CR66–67. Remarks. Ten birds were examined and all were parasitised by Myrsidea fuscicaudae . This louse species had the highest intensity of parasitism among all the species dealt with in this paper. Mean intensity was 16, while range of intensity was 2–31 lice per bird (n=10).