TABLE 2 in The discovery of the male Lepeophtheirus lichiae Barnard, 1948 (Copepoda: Caligidae) from the Eastern Mediterranean with morphological description and molecular phylogenetic analysis

TABLE 2. Comparative morphological differences between the male of Lepeophtheirus lichiae and males of congeners possessing a two-segmented abdomen. Compared speciesMorphological differences from Lepeophtheirus lichiaeL. argentus Hewitt, 1963I. Abdomen: First abdominal somite 2.6 times longer than anal somite [see Hewitt (1963) p. 98 Fig. 11/3] vs. anal somite 2.3 times longer than abdominal somite; II. Maxillule: inner and outer tines adjacent and equal in length [see Hewitt (1963), p. 99 Fig. 12/3]; III. Maxilliped: without myxal process [see Hewitt (1963) p. 99 Fig. 12/2] vs. with prominent myxal processL. crassus (Wilson & Bere, 1936)I. Cephalothorax: Posterior margin of thoracic zone of shield markedly extending beyond end of lateral zones vs. aligned; II. Fourth pedigerous somite: rectangular [see Lewis (1967) p. 77 Fig. 28b] vs. subtriangular; III. Maxillule: with vestigial accessory process and tapering inner and outer tines [see Lewis (1967), p. 80, Fig. 29h] vs. with well-developed accessory tine and inner and outer tines rounded at the tip; IV. Maxilliped: with small, irregular myxal process [see Lewis (1967), p. 82, Fig. 30c] vs. with laterally-directed, lobate myxal process ornamented with numerous irregularly-scattered tiny spinules; V. Sternal furca: with convex, tapering tines [see Lewis (1967), p. 82, Fig. 30d] vs. straight and spatulate tinesL. hastatus Shiino, 1960I. Cephalothorax: Posterior end of lateral zones markedly extending beyond posterior margin of thoracic zone of shield [see Hewitt (1971) p. 331 Fig. 32] vs. aligned; II. Postantennal process: with sharply pointed triangular knob at base and each papilla with 6 sensillae at base [see Hewitt (1971) p. 331 Fig. 32] vs. base without a knob and each papilla with 4 sensillae; III. Maxillule: inner and outer tines adjacent and equal in length [see Hewitt (1971) p. 331 Fig. 35] vs. not equal; IV. Sternal furca: with slender spiniform tines [see Hewitt (1971) p. 331 Fig. 36] vs. saptulate tines.L. lalandei Kensley & Grindley, 1973I. Cephalothorax: 1.35 times longer than wide and with parallel lateral margins [see Kensley & Grindley (1973), p. 83 Fig.8b] vs. 1.04 times longer than wide and with slightly convex lateral margins; II. Maxilliped: with two adjacent subtriangular myxal process [see Kensley & Grindley (1973), p. 84, Fig.9l] vs. with single, laterally-directed, lobate myxal process; III. Leg 4: Inner distal margin of second and third exopodal segments bearing minute spines [see Kensley & Grindley (1973), p. 85, Fig.10d] vs. with smooth inner margins.L. longipes Wilson C.B., 1905I. Antenna: proximal segment with large corrugated pad on posterior side [Passarelli et al. 2021), p. 75, Fig. 5B] vs. proximal segment with long, slender corrugated pad on mid-outer surface; II. Maxillule: outer tine ornamented with corrugated pads [Passarelli et al. 2021), p. 75, Fig. 5D] vs. outer tine without ornamentation; III. Maxilliped: corpus bearing a conical myxal process and ornamented with two large patches of scale-like ornamentation [Passarelli et al. 2021), p. 75, Fig. 5E] vs. laterally-directed, lobate myxal process and ornamented with irregularly scattered tiny spinules; IV. Sternal furca: tines spiniform with rounded narrow tips plus tines longer than the box (2.3: 1) [Passarelli et al. 2021), p. 75, Fig. 5F] vs. tines spatulate and widen towards the tip plus box longer than the tines (1.4: 1).L. mondacola Morales-Serna, Tang & Gómez, 2022I. Cephalothorax: Posterior margin of thoracic zone of shield markedly extending beyond end of lateral zones [Morales-Serna et al. (2023), p. 37, Fig. 4A] vs. aligned; II. Maxillule: inner tine bearing a small triangular process at base [Morales-Serna et al. (2023), p. 37, Fig. 4D] vs. inner tine bearing minute distal spinule towards the tip; III. Maxilliped: with 2 rounded myxal processes on proximal segment [Morales-Serna et al. (2023), p. 37, Fig. 4E] vs. with single, laterally-directed, lobate myxal process; IV. Sternal furca: with broadly divergent tines, each apically bifurcated [Morales-Serna et al. (2023), p. 37, Fig. 4F] vs. with divergent, spatulate tines.L. nordmannii (Milne Edwards, 1836)I. Abdomen: first abdominal and anal somite about equal in length [Kabata (1979), Fig. 663] vs. anal segment 2.3 times longer than abdominal segment; II. Antenna: terminal claw with 1 strong secondary dentiform process on concave margin [Kabata (1979), Fig. 665] vs. without a dentiform process; III. Maxillule: with s piniform, slender posterior process bearing two short secondary processes [Kabata (1979), Fig. 667] vs. posterior process bearing two well developed unequal blunt tines and short medial process; IV. Sternal furca: with slender divergent tines [Kabata (1979), Fig. 669] vs. spatulate tines divergent tines; V. Maxilliped: with one small conical myxal process on corpus [Kabata (1979), Fig. 670] vs. with large, laterally-directed, lobate myxal process.L. oblitus Kabata, 1973I. Abdomen: indistinctly 2-segmented [Kabata (1973), p. 755, Fig. 139] vs. distinctly 2-segmented, entire abdomen about 48 % of genital complex vs. 70% of genital complex; II. Antenna: terminal claw with 1 pointed, strong lateral tine in proximal half [Kabata (1973), p. 755, Fig. 140] vs. without a lateral tine; III. Maxilliped: myxal area of corpus ornamented with longitudinal patches of blunt denticles, distally with bluntly inflated protuberance [Kabata (1973), p. 756, Fig. 147] vs. ornamented with numerous irregularly-scattered tiny spinules plus a laterally directed lobate myxal process; IV. Sternal furca: with straight, diverging tines [Kabata (1973), p. 756, Fig. 148] vs. spatulate divergent tines.L. pollachius Bassett-Smith, 1896I. Maxillule: with single posterior process plus a short medial process [Kabata (1979), Fig. 678] vs. posterior process bearing two well developed unequal blunt tines and short medial process; II. Maxilliped: with bifid myxal process on corpus [Kabata (1979), Fig. 688] vs. with large, laterally-directed, lobate myxal process; III. Sternal furca: with straight divergent tines [Kabata (1979), Fig. 680] vs. spatulate divergent tines.L. polyprioni Hewitt, 1963I. Abdomen: first abdominal somite about 1.5 times longer than anal somite [Hewitt (1963), p. 92, Fig. 9(3)] vs. anal somite about 2.3 times longer than abdominal somite; II. Maxilliped: corpus without ornamentations and myxal process [Hewitt (1963), p. 94, Fig. 10(2)] vs. ornamented with numerous irregularly-scattered tiny spinules plus a laterally directed lobate myxal process; III. Leg 4: inner and middle spine on third exopodal segment about equal in length and distinctly longer than outer spine [Hewitt (1963), p. 94, Fig. 10 (4)] vs. innermost spine longest, middle and outermost spines distinctly shorter than inner spine. ......continued on the next page ......continued on the next page