Parancistrum

Vagalinski, Boyan, Lazányi, Eszter & Golovatch, Sergei, 2013, Redescription of the subgenus Parancistrum Verhoeff, 1943, an eastern Mediterranean lineage of the millipede genus Megaphyllum Verhoeff, 1894 (Diplopoda: Julida: Julidae: Brachyiulini), Zootaxa 3734 (5), pp. 501-520 : 517-518

Key to males of the subgenus Parancistrum , based on gonopod structure

1 Anterior process (ap) serrated.......................................................................... 2

- Anterior process (ap) smooth........................................................................... 3

2 Posterior process (pp) very wide and considerably exceeding solenomere (s) ( Figs 37, 39 ).................. M. turcicum

- Posterior process (pp) narrow and slightly shorter than solenomere (s) ( Figs 19, 21 )...................... M. serratum

3 Promere with a more or less incised apical margin.......................................................... 4

- Promere gradually convex apically...................................................................... 5

4 Promere’s apical margin shallowly incised ( Figs 48–50 ), anterior solenomere protrusion (asp) more slender, tapering, turned posteriad ( Figs 48, 51–54 )............................................................... M. arcuatum sp. n.

- Promere’s apical margin deeply incised ( Figs 28–29 ), anterior solenomere protrusion (asp) shorter, blunter, pointing distad ( Figs 28, 30 )............................................................................. M. tenenbaumi

5 Posterior process (pp) subequal to solenomere(s); anterior solenomere protrusion (asp) smooth ( Figs 4, 6–7 )... M. curvifolii

- Posterior process (pp) shorter than solenomere (s); anterior solenomere protrusion (asp) with apical plumose outgrowths ( Figs 14, 16 )............................................................................... M. genezarethanum

Figures

FIGURES 35 – 40. Megaphyllum turcicum male (35 – 39) and female (40) from near Aladağ, Turkey: (35) and (36) penis, caudal and lateral views, respectively; (37) right gonopods, mesal view; (38) left promere, posterior view; (39) left opisthomere, anterior, slightly mesal view; (40) right vulva, posterior, slightly mesal view (receptaculum seen by transparency, but drawn with solid lines for better emphasis). Abbreviations: ap: anterior process, asp: anterior protrusion of the solenomere, at: apodematic tube, bl: bursal lamellar protrusions, ct: connecting tube, fc: flagellum channel, fl: flagellum, g: median groove, lh: lateral hump, mh: mesal hump, opl: operculum’s lamellar protrusions, P: promere, pa: posterior ampulla, ph: posterior hump, pp: posterior process, r: median ridge, s: solenomere, sf: spine-like filaments. Scale bars: 0.2 mm.

FIGURES 19 – 22. Megaphyllum serratum syntypes, male (19 – 21) and female (22): (19) right gonopods, mesal, slightly anterior view; (20) right promere, posterior view; (21) right opisthomere, meso-anterior view; (22) right vulva, lateroposterior view (setae omitted, receptaculum seen by transparency, but drawn with solid lines for better emphasis). Abbreviations: ap: anterior process, asp: anterior protrusion of the solenomere, at: apodematic tube, ch: central hump, ct: connecting tube, fc: flagellum channel, fl: flagellum, g: median groove, lh: lateral hump, mh: mesal hump, P: promere, pa: posterior ampulla, ph: posterior hump, pp: posterior process, r: median ridge, s: solenomere, sf: spine-like filaments. Scale bars: 0.2 mm.

FIGURES 46 – 54. Megaphyllum arcuatum paratype male (46 – 47; 49 – 40; 52 – 54) from Segev and non-type male (48, 51) from near Beit Gurvin: (46) and (47) penis, caudal and lateral views, respectively; (48) right gonopods, mesal views; (49) joint promeres, posterior view; (50) left promere, posterior view (51) left opisthomere, lateral view; (52) distal part of right opisthomere, mesal view; (53) distal part of right opisthomere, postero-mesal view; (54) distal part of right opisthomere, anterior view. Abbreviations: ap: anterior process, asp: anterior protrusion of the solenomere, c: neck-like constriction, fc: flagellum channel, fl: flagellum, g: median groove, P: promere, pp: posterior process, r: median ridge, s: solenomere, sf: spine-like filaments. Scale bars of the drawings: 0.2 mm.

FIGURES 23 – 34. Megaphyllum tenenbaumi neotype male (23 – 25), and non-type male (26 – 30) from Nahal Kziv, Israel, and female from ZMUC (31 – 33), unknown locality: (23) habitus; (24) head with anterior body rings; (25) telson with last two body rings; (26) and (27) penis, lateral and posterior view, respectively; (28) left gonopods, mesal view; (29) right promere, posterior views; (30) distal part of right opisthomere, lateral view; (31) right vulva, apical view; (32) right vulva, postero-lateral view; (33) altered setae on distal part of bursa; (34) receptaculum of left vulva. Abbreviations: ap: anterior process, asp: anterior protrusion of the solenomere, bl: bursal lamellar protrusions, ch: central hump, fc: flagellum channel, fl: flagellum, g: median groove, lh: lateral hump, mh: mesal hump, o: opening, op: operculum, opl: operculum’s lamellar protrusions, P: promere, ph: posterior hump, pp: posterior process, r: median ridge, s: solenomere. Scale bars of the drawings: 0.2 mm.

FIGURES 1 – 9. Megaphyllum curvifolii males (Figs 1 – 7; 9) from Irmasàn Geçidi, Turkey and syntype female (Fig. 8) from “ Cilicien ”, south-central Turkey: (1) telson; (2) pleurotergum 7 and gonopods in situ, lateral view; (3) right pleurotergal protrusion, ventral view; (4) right gonopods, postero-mesal view; (5) connected promeres, posterior view; (6) distal half of left opisthomere, mesal view; (7) left opisthomere, antero-apical view; (8) left vulva, mesal, slightly anterior view (receptaculum seen by transparency, but drawn with solid lines for better emphasis); (9) penis, posterior view. Abbreviations: ap: anterior process, asp: anterior protrusion of the solenomere, at: apodematic tube, bl: bursal lamellar protrusions, ct: connecting tube, fc: flagellum channel, fl: flagellum, g: median groove, o: opening, op: operculum, opl: operculum’s lamellar protrusions, P: promere, pa: posterior ampulla, ph: posterior hump, pp: posterior process, r: median ridge, s: solenomere, sf: spine-like and setiform filaments. Scale bars of the drawings: 0.2 mm.

FIGURES 10 – 18. Megaphyllum genezarethanum male (10 – 16) and female (17) from Allonim, Israel, and holotype female (18) from Lake of Galilee, Israel: (10) head with anterior body rings (antennae broken; not to scale); (11) telson with last body rings (not to scale); (12) and (13) penis, lateral and posterior views, respectively; (14) distal half of left gonopods, mesal view; (15) right promere, posterior view; (16) right opisthomere, mesal view; (17) right vulva, lateroposterior view; (18) receptaculum of left vulva. Abbreviations: ap: anterior process, asp: anterior protrusion of the solenomere, at: apodematic tube, bl: bursal lamellar protrusions, ch: central hump, ct: connecting tube, fc: flagellum channel, fl: flagellum, g: median groove, lh: lateral hump, mh: mesal hump, o: opening, opl: operculum’s lamellar protrusions, P: promere, pa: posterior ampulla, ph: posterior hump, pp: posterior process, r: median ridge, s: solenomere. Scale bars of the drawings: 0.2 mm.