The Marine Fauna of New Zealand: Isopoda, Aegidae (Crustacea)

Figure 24. Aega stevelowei sp. nov. Paratype NIWA 7974. A, mandible; B, mandible palp article 3; C, maxillule apex;
D, maxilla; E, maxilla apex; F, maxilliped; G, maxilliped articles 2–5; H, I, maxilliped articles 4 and 5.
Mandible molar process absent; palp article 2 with
3 distolateral setae (proximal 4 longest), palp article 3
with 25 setae. Maxillule with 8 terminal and subterminal
RS (proximal 2 hammer-head). Maxilla mesial lobe
with 5 RS (2 lateral hooked, 3 mesial weakly curved);
lateral lobe with 4 RS (proximal RS minute). Maxilliped
endite with 2 apical setae (long CP); palp article 2 with
0 RS (with 2 long straight simple setae); article 3 with
3 recurved RS (small; and large curved RS); article 4
with 7 hooked RS (5 large, 2 small; lateral margin with
5 long straight RS); article 5 wholly (imperceptibly)
fused to article 4, distally convex, with 6 RS.
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Pereopod 1 basis .9 times as long as greatest width;
ischium 0.5 times as long as basis, inferior margin with
0 RS, superior distal margin with 3 RS; merus inferior
margin with RS (proximal), superior distal angle with
2 RS; carpus 0.6 as long as merus, inferior margin with
0 RS; propodus .4 times as long as proximal width,
inferior margin with 0 RS, propodal palm with small
distal lobe, dactylus smoothly curved, .0 as long as
propodus. Pereopod 2 ischium inferior margin with
RS, superior distal margin with 2 RS; merus inferior
margin with 6 RS, set as two rows (of 4 + 2), superior
distal margin with 2 acute RS (and 2 simple setae);