Figure 99. Epulaega fracta (Hale, 940). NMNZ Cr.9260. A–D, pleopods –3, 5 respectively; E, uropod; F, pleotelson posterior margin. margin with acute RS; carpus similar in size to that <strong>of</strong> pereopod , inferodistal angle with 0 RS. Pereopod 3 similar to pereopod 2. Pereopods 5–7 inferior margins <strong>of</strong> ischium–carpus with short RS. Pereopod 6 similar to pereopod 7 (slightly larger). Pereopod 7 basis 2.8 times as long as greatest width, inferior margins with 8 palmate setae; ischium 0.4 as long as basis, inferior margin with 3 RS (set as and 2), superior distal angle with 4 60 RS, inferior distal angle with 4 RS; merus . as long as ischium, .9 times as long as wide, inferior margin with 4 RS (set as , and 2), superior distal angle with RS, inferior distal angle with 5 RS; carpus .2 as long as ischium, 2.3 times as long as wide, inferior margin with 3 RS (set as , and ), superior distal angle with 4 RS (simple and biserrate setae), inferior distal angle with 7 RS; propodus .2 as long as ischium, 4.3 times
as long as wide, inferior margin with 3 RS (set as and 2), superior distal angle with 2 slender setae, inferior distal angle with 3 RS. Penes medially united; penial process 0.4 times as long as basal width. Pleopod 1 exopod .4 times as long as wide, distally broadly rounded, lateral margin straight, mesial margin strongly convex, with PMS on distal half, with ~58 PMS; endopod .9 times as long as wide, distally subtruncate, lateral margin weakly concave, with PMS on distal margin only, mesial margin with PMS on distal one-third, endopod with ~40 PMS; peduncle .7 times as wide as long, mesial margin with 8 coupling hooks. Pleopod 2 exopod with ~88 PMS, endopod with ~60 PMS; appendix masculina basally swollen, 0.7 times as long as endopod, distally acute. Pleopod 3 exopod with ~ 00 PMS, endopod with ~27 PMS. Pleopod 4 exopod with ~90 PMS, endopod with ~25 PMS. Pleopod 5 exopod with ~72 PMS. Exopods <strong>of</strong> pleopods –3 each with distolateral margin not digitate; endopods <strong>of</strong> pleopods 3–5 each with distolateral point; pleopods 2–4 peduncle distolateral margin with prominent acute RS. Uropod peduncle posterior lobe about three- quarters as long as endopod. Uropod rami extending to pleotelson apex, apices acute. Endopod apically not bifid, lateral margin straight, without prominent ex- cision, proximal lateral margin with 0 RS, distal lateral margin with 2 RS, mesial margin sinuate, with 7 RS. Exopod not extending to end <strong>of</strong> endopod, 3.0 times as long as greatest width, apically not bifid; lateral margin weakly convex, with 9 RS; mesial margin straight, distally convex, with 4 RS. femaLe: More ovate than male; lacks the transverse ridge on pereonite 2; lacks dorsal nodules except on the pleotelson, where they are present though smaller than in the male. size: Adults measure between 4.4 and 8.0 mm; the single manca was 6.0 mm. Variation: <strong>The</strong> small number (4) <strong>of</strong> mature adult specimens means that it is not possible to precisely detail the variation. <strong>The</strong> pleotelson has from about 4 to 6 RS. <strong>The</strong> uropod endopod lateral margin has 2 distal RS, the mesial margin 6 or 7 RS for adults (5 in the manca); the exopod lateral margin has 9 or 0 RS (8 and 9 in the manca), the mesial margin 4 RS (3 in the manca). <strong>The</strong> RS on the merus <strong>of</strong> pereopods –3 appear to be constant but could not be readily discerned in the two smallest specimens. Body shape varies a little, with the adult male from <strong>New</strong> <strong>Zealand</strong> having subparallel lateral margins (2.4 times as long as wide), while the male holotype and non-ovigerous female were both wider and more ovate (2.3 times as long as wide). 6 remarks: This is a distinctive species, males being readily recognised by the fine nodules along the posterior margins <strong>of</strong> the posterior pereonites and pleonites, presence <strong>of</strong> numerous small spines on the dorsal surface <strong>of</strong> the pleotelson and medially fused penial processes. Females can be recognised by the presence <strong>of</strong> reduced spines on the pleotelson and the characteristic setation and shape <strong>of</strong> the uropod rami and posterior margin <strong>of</strong> the pleotelson. <strong>The</strong> shape <strong>of</strong> the eyes is unusual within the genus in that they are noticeably anterior in position (rather than ventral), appearing somewhat bulbous and almost entirely filling the anterior margin <strong>of</strong> the head in dorsal view. <strong>The</strong> propodus <strong>of</strong> pereopod is distinctive in having a prominent and acute robust seta opposing the base <strong>of</strong> the dactylus. In most <strong>Aegidae</strong> there is no such seta at this position. Epulaega monilis (Barnard, 9 4) is closely similar to Epulaega fracta, but can be distinguished by lacking spines on the dorsal surface <strong>of</strong> the pleotelson in both males and females, the nodules on the posterior margins <strong>of</strong> the pleonites are larger (particularly the median nodules) and extend to the anterior pereonites, and the uropodal exopod is as long as the endopod (a little shorter in E. fracta). prey: One specimen from Hyperoglyphe antarctica (Carmichael, 8 9) [bluenose and matiri (<strong>New</strong> <strong>Zealand</strong>) or Antarctic butterfish, Centrolophidae]. distribution: Southwestern Pacific, <strong>of</strong>f Tasmania and southern Queensland; <strong>of</strong>f Great Barrier Island, North Island and Kaikoura, South Island, both on the east coast <strong>of</strong> <strong>New</strong> <strong>Zealand</strong>; at a recorded depth <strong>of</strong> 400–500 metres. Genus Rocinela Leach, 8 8 Rocinela Leach, 8 8: 349.– Desmarest, 825:304.– Milne Edwards, 840: 243.– Dana, 852: 304*.– Bate & Westwood, 867: 289.– Schioedte & Meinert: 879b: 380.– Gerstaecker, 882: 227.– Haswell, 882: 285.– Stebbing, 893: 348; 905: 23.– Sars, 897: 65.– Richardson, 898: 8; 905a: 90.– Barnard, 9 4: 368; 936: 59.– Hale, 925: 82.– Menzies, 962: 8.– Menzies & Glynn, 968: 45.– Menzies & George, 972: 2.– Kensley, 978: 59.– Kussakin, 979: 25 .– Menzies & Kruczynski, 983: 62.– Brusca, 980: 229.– Bruce, 983: 778.– Brusca & Iverson, 985: 42.– Brusca & France, 992: 236.– Kensley & Schotte, 989: 9.– Bruce, Lew Ton & Poore, 2002: 63. Acherusia Lucas, 849: 78.– Dana, 852: 304* (type species Acherusia dumerilii Lucas, 849). Acherousia.– Schioedte & Meinert, 879b: 380 (lapsus). Rocinella.– Bate, 878 : 65 (lapsus). Not Rocinela.– Bovallius 885: 4 (= Syscenus Harger, 880). type speCies: Rocinela danmoniensis Leach, 8 8, by monotypy. * <strong>The</strong>re is a pagination error in this publication, with page 304 printed as 204.
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NATIONAL INSTITUTE OF WATER AND ATM
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NATIONAL INSTITUTE OF WATER AND ATM
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cONtENts ABSTRACT .................
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The isopod fauna of New Zealand has
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mAtErIAl ExAmINEd Material examined
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end on preservation, rendering appa
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Figure 3. Terms used in description
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y the fact that while some species
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Figure 4. Clades in Aega: Strict co
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parallel lateral margins (Ch 28.2)
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CharaCter List for AegA body charac
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Traditionally the Aegidae have been
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subOrdEr cymOthOIdA wägElE, 1989 B
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3. Body dorsally compressed; fronta
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Figure 8. Aega falklandica Kussakin
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Figure 10. Aega falklandica Kussaki
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Figure 11. Aega falklandica Kussaki
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Figure 12. Aega komai Bruce, 996. N
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size: Female 26 mm, two males 6.5 a
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Figure 15. Aega monophthalma Johnst
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Figure 16. Aega monophthalma Johnst
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Figure 18. Aega monophthalma Johnst
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Figure 19. Aega semicarinata Miers,
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Figure 21. Aega semicarinata Miers,
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pod 2.2 times as long as wide, dist
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Figure 23. Aega stevelowei sp. nov.
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Figure 25. Aega stevelowei sp. nov.
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4 teeth), lateral margin straight,
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Figure 28. Aega urotoma Barnard, 9
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Figure 30. Aega urotoma Barnard, 9
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Aega whanui sp. nov. (Figs 3 -33) m
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Figure 32. Aega whanui sp. nov. Hol
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distribution: Lord Howe Rise to the
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Figure 34. Aegapheles alazon (Bruce
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Figure 35. Aegapheles birubi (Bruce
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Figure 36. Aegapheles copidis sp. n
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Variation: The left and right uropo
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endopod. Uropod rami with apices br
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Figure 40. Aegapheles mahana sp. no
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teral margin not digitate; endopods
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tenna peduncle article 2 inferior s
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as ischium, .8 times as long as wid
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Aegiochus beri (Bruce, 983), comb.
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Figure 45. Aegiochus beri (Bruce, 1
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Figure 46. Aegiochus bertrandi sp.
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Figure 48. Aegiochus bertrandi sp.
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Aegiochus coroo (Bruce, 983), comb.
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Figure 50. Aegiochus coroo (Bruce,
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size: Males 8.5- 3.0 mm (mean = .4,
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Figure 53. Aegiochus gordoni sp. no
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Figure 55. Aegiochus gordoni sp. no
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New figures of the holotypes of Aeg
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Figure 57. Aegiochus insomnis sp. n
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Figure 59. Aegiochus insomnis sp. n
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- Page 111 and 112: Figure 62. Aegiochus kakai sp. nov.
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- Page 115 and 116: Figure 65. Aegiochus kanohi sp. nov
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- Page 131 and 132: Figure 76. Aegiochus piihuka sp. no
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- Page 151 and 152: uropods, and the elongate and flat
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- Page 179 and 180: Figure 114. Rocinela pakari sp. nov
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- Page 199 and 200: genus Aega (e.g. A. falklandica, A.
- Page 201 and 202: Figure 131. Syscenus kapoo sp. nov.
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evision of the species based on goo
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a nomen nudum in a footnote, by Kr
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Rocinela insularis Schioedte & Mein
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Figure 137. Aegiochus antarctica (H
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flattened antennule peduncle articl
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0 acute RS (2 simple setae); carpus
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AMAR, R.; ROMAN, M.-L. 974: Invert
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DOLLFUS, A. 89 : Crustacés Isopode
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KUSSAKIN, O.G.; VASINA, G.S. 982: A
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ROHDE, K. 2005: Marine Parasitology
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AppENdIx 1. INvAlId AEgId NAmEs Inc
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Figure 139. Aega angustata Whiteleg
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of the uropodal exopod lacking serr
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present this record can only be con
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Figure 143. Aegiochus plebeia (Hans
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posterior margin (rather than conve
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H Figure 146. Syscenus intermedius
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Aegiochus aff. tara: ♀ (ovig. 27
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magnifica 1122112411 2213124211 131
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Aega, 7, 0, 2, 3, 4, 5, 27, 98 Aega
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Greenland, 2 2, 2 3, 2 5 Greenland