Host: Tachyphonus luctuosus d’Orbigny & Lafresnaye – White-shouldered Tanager

Two louse species were found on this host:

Ricinus sp.

Material studied. 2 females and 1 nymph ex Tachyphonus luctuosus, COSTA RICA: Barbilla NP, Provincia Limỏn (9°59’N, 85°27’W), 5 September 2004, Literák, Č apek & Havlίček coll. Deposited in INBio – O. Sychra CR73–74.

Remarks. One of two birds examined was parasitised by Ricinus sp. This and the next species are the first records of chewing lice from Tachyphonus luctuosus .

Myrsidea spizae Price & Dalgleish, 2006

Myrsidea spizae Price & Dalgleish, 2006: 20, figs 28–29.

Type host. Chlorophanes spiza (Linnaeus)

Female (2). Mean length of head seta 10, 0.041 (n=3); seta 11, 0.092 (n=3); ratio10/11, 0.45. Metasternal plate with 6 setae. Tergal setae: I, 11–12; II, 13–15; III, 13–16; IV, 14; V, 11–13; VI, 10–11; VII, 11; VIII, 9. Postspiracular setae extremely long on II, IV, VII and VIII (0.40–0.46), long on I (0.27) and shorter on III and V–VI (0.16–0.20). Sternal setae: II, 4–5 medioanterior, 14 marginal and aster of 3–4 robust setae on each side; III, 22–26; IV, 32–35; V, 35–37; VI, 30–31; VII, 13–15; VIII–IX, 19–22. Dimensions: TW, 0.46–0.47; HL, 0.31–0.32; PW, 0.27–0.29; MW, 0.43–0.44; AWIV, 0.55–0.59; TL, 1.41–1.47; ANW, 0.22–0.23.

Material studied. 2 females and 2 nymphs ex Tachyphonus luctuosus, COSTA RICA: Barbilla NP, Provincia Limỏn (9°59’N, 85°27’W), 11 September 2004, Literák, Č apek & Havlίček coll. Deposited in INBio – O. Sychra CR69.

Remarks. One of two birds examined was parasitised by M. spizae .