oa Journal of the Entomological Society of Southern Africa - A review of Dennyus (Phthiraptera: Menoponidae) parasitic on the avian genera Apus and Cypsiurus
The ten species of Dennyus that have been descriptionbed from swifts belonging to the genera Apus and Cypsiurus are dealt with. Reasons are given for considering five of them (Nitzschia minor Kellogg & Paine, 1914; Dennyus truncatiformis Mokhehle, 1951; D. africanus Bï¿½ttiker, 1954; D. maritimus Bï¿½ttiker, 1954; D. minutus Bï¿½ttiker, 1954) to be synonyms of D. hirundinis (Linnacus) sens. lat. A sixth species (D. clayae Nakagawa, 1959) is represented by insufficient material for any conclusions to be reached. The remaining four species (D. hirundinis (Linnaeus, 1761); D. cypsiurus Thompson, 1948; D. vonarxi Bï¿½ttiker, 1954; D. aequatorialis Ledger, 1968) are descriptionbed and illustrated; a key is provided for their identification. The relationships of certain host species are discussed in the light of their Dennyus parasites.
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