A new species of Macquaridrilus (Annelida: Clitellata: Naididae) from subantarctic Campbell Island

Figures & data

Figure 1 Map of Campbell Island showing locations of sampled tarns (squares) and streams (circles). Open symbols are locations where M. mcmurtrieae may be present but from which some or all samples are yet to be processed (see Methods) and solid symbols are locations from which M. mcmurtrieae has been identified.

Figure 2 Photographs showing a variety of habitats from which M. mcmurtrieae was collected. A, Site 4, Honey Falls Stream; B, site 21, Kirk Stream; C, site 12, Middle Bay Stream; D, site 25, Southeast Stream (Shelley McMurtrie of EOS Ecology taking a Surber sample); E, site NP1, Tucker Tarn (Jo Hiscock of the New Zealand Department of Conservation taking a water sample); F, site BG1, one of the Borchgrevink Bay Tarns. All photographs copyright EOS Ecology.

Figure 3 Chaeta from segment VII, with enlargement of bifid tip. Scale for whole chaeta 10 µm.

Figure 4 Male genitalia (segment XI) of M. mcmurtrieae, based on the holotype: a, atrium; b, bursa; ed, ejaculatory duct; mf, male funnel; mu, muscle bands covering bursa; pr, prostate gland attached to atrium; sc, sperm canal; v, vas deferens. Scale=50 µm.

Figure 5 Photos of M. mcmurtrieae genitalia. A, Ejaculatory duct (left) entering the copulatory bursa (right) in segment XI: ed, ejaculatory duct; mu, muscle bands covering bursa; cg, copulatory gland cells; sc, sperm canal; B, spermatheca in segment X: sd, spermathecal duct; sa, spermathecal ampulla. Scales: A=30 µm; B=50 µm.