Host: Sporophila corvina (Sclater) – Variable Seedeater

One chewing louse species was found on this host:

Ricinus diffusus (Kellogg, 1896)

Physostomum diffusus Kellogg, 1896

Type host. Passerculus sandwichensis (Gmelin)

Material studied. 2 females ex Sporophila corvina, COSTA RICA: Hitoy Cerere BR, Provincia Limỏn (9°40’N, 85°05’W), 20 August 2004, Literák, Č apek & Havlíček coll. Deposited in INBio –O. Sychra CR71.

Remarks. One of 29 birds examined was parasitised by R. diffusus . This is the first record of a chewing louse species from Sporophila corvina .

Family Emberizidae

Arremon aurantiirostris Lafresnaye Myrsidea aurantiirostris Price & Dalgleish, 2007 Sporophila corvina (Sclater)

** Ricinus diffusus (Kellogg, 1896)

Family Cardinalidae

Caryothraustes poliogaster (Du Bus de Gisignies) Myrsidea poliogasteri Sychra, n. sp. Cyanocompsa cyanoides (Lafresnaye) ** Myrsidea sp.1

Saltator maximus (Müller)

** Myrsidea sp.2

Family Thraupidae

Tangara larvata (Du Bus de Gisignies) Myrsidea larvatae Sychra, n. sp.

Euphonia gouldi Sclater

** Myrsidea violaceae Price & Dalgleish, 2006 Habia fuscicauda (Cabanis)

Myrsidea fuscicaudae Price & Dalgleish, 2006 Ramphocelus passerinii Bonaparte Myrsidea fusca (Carriker, 1903)

Tachyphonus luctuosus d’Orbigny & Lafresnaye ** Myrsidea spizae Price & Dalgleish, 2006 ** Ricinus sp.

Tachyphonus delattrii Lafresnaye ** Myrsidea sp.3

** Machaerilaemus laticorpus (Carriker, 1903) Mitrospingus cassinii (Lawrence) ** Menacanthus eurysternus (Burmeiter, 1838) Myrsidea mitrospingi Price & Dalgleish, 2006 ** Ricinus sp.