Table 2 in Five new species of Enchytraeidae (Annelida: Clitellata) from Mediterranean woodlands of Italy and reaffirmed validity of Achaeta etrusca, Fridericia bulbosa and F. miraflores

Table 2. Key morphological characters distinguishing Fridericia rara sp. nov. from F. bulbosa sensu stricto, the only known quadrisetose congener possessing adiverticulate spermathecae, hyaline coelomocytes and short, simple peptonephridia. Measurements in this table refer to live specimens, except where specified by (f), meaning fixed material.
SpeciesF. rara sp. n.F. bulbosa sensu Rota, 1995F. bulbosa – urban SIF. bulbosa – urban NALength5 mm7–9 mm6 mm5–7 mmWidth (at clitellum)0.25 mm0.23–0.28 mm0.23 mm0.22–0.26 mmSegments27–3239–4127–3724–36Chaetal formula0,2 – 2: 2,3,4 – 22,3,4– 4,3,2: 2,3,4–4,3,22,3,4 – 2: 2,3,4 – (4,3),22,3,4 – 2: 2,3,4 – 4,3,2Chaetal length precl.24–27 μm (lat.); 27-35 μm (v.)up to 45 μmup to 42 μmup to 40 μmlength postcl.26–35 μm (lat. & v.)50 μmup to 42 μm40 μmClitellar patternregular rows, chequered, interr. ventrally in XII; cells mostly hyaline, largeregular rows, ventr. absent between ♂ pores, granular behind them, mosaic in XIII; hyaline cells largeregular rows, absent between ♂ pores, granular behind them, mosaic in XIII; hyaline cells largeregular rows, absent between ♂ pores, granular behind them, mosaic in XIII; hyaline cells largeMale openingslongitudinal, glandular duct endlongitudinallongitudinallongitudinalPeptonephridiaType aType aType aType aCoelomocytes:nucleatedType a,.24–30 μm long(f)Type a, up to 30 μm longType aType a, 32–40 μm longanucleatesmall (2.5–6 μm)(f)small (4–10 μm)smallsmall (4–6 μm)Chylus cellsXII–XIVXIII–XIVXIII–XIVXIII–XIVDorsal vessel fromXVXVI–XVIIXVIXV–XVIIPreclitellar nephridia3 pairs (6/7–8/9) midventral5 pairs (6/7–10/11)5 pairs (6/7–10/11) subterminal5 pairs (6/7–10/11)Sperm funnels l: w88: 50 μm152–184: 65 μm 112: 50(f)80: 32 μm (f)75–100: 42–50 μmPenial bulb length50 μm(f)120 μm, soft, 80(f)50–58 μm(f)60–64 μm(f)Spermathecal ampulla w;45 μm; 32(f)30 μm; 26(f)30 μm; 26–28(f)32 μm; 24–29(f)ental ducts;adjacent;adjacent;adjacent, on one side;merging;ectal duct l: w;112: 10 μm(f);245: 12 μm;225: 15 μm;175: 15 μm;glands at poreone, small, 8 μm long(f)one, 28 μm longone, small, 13 μm longone, small, 10 μm long(f)