A description of the flea species Paractenopsyllus madagascarensis n. sp. and the female sex of Paractenopsyllus raxworthyi Duchemin & Ratovonjato, 2004 (Siphonaptera, Leptopsyllidae) from Madagascar with a key to the species of Paractenopsyllus Hastriter, Michael Dick, Carl ZooKeys 2009 2009-07-03 13 13 43 55 63KNG Wagner 1938 [349,546,236,263] Insecta Leptopsyllidae Paractenopsyllus Animalia Siphonaptera 2 45 Arthropoda genus  This key is a modification of the key presented in Duchemin and Ratovonjato (2004).      1 Females(unknown for  P. oconnoriand  P. beaucournui)............................... 2  – Males........................................................................................................ 17   2 Pronotal comb with more than 28 teeth ..................................................... 3  – Pronotal comb with 28 or fewer teeth......................................................... 4   3 Caudal margin of S-7 with two lobes................   P. kerguisteliWagner, 1938  – Caudal margin of S-7 with one narrow elongated lobe.................................. ............................................................................   P. madagascarensis sp. n.   4 Caudal margin of S-7 with two lobes (exclusive of apical ventral margin) ... 5  – Caudal margin of S-7 with one lobe (exclusive of apical ventral margin)... 12   5 Bulga of spermatheca much longer than wide (length twice width)............. 6  – Bulga more spherical or elliptical (length less than or equal to 1.5× width)... 7   6 Dorsal and ventral lobes on caudal margin of S-7 broad and obtusely rounded ( Fig. 15)............................   P. raxworthyiDuchemin & Ratovonjato, 2004  – Dorsal lobe rounded, but ventral lobe acutely pointed at apex ...................... .................................................................................   P. vauceliKlein, 1965   7 Ventral lobe of S-7 acutely pointed at apex...   P. ratavonjatoiDuchemin, 2004  – Ventral lobe of S-7 rounded........................................................................ 8   8 Bursa copulatrix angular forming two 90 degree angles...   P. petitiKlein, 1965   –Bursa copulatrix with no right angles .......................................................... 9   9 Ventral margin of S-7 with shallow sinus at most.......................................... ..................................................................   P. duplantieriDuchemin, 2004  – Ventral margin of S-7 with distinct deep sinus.......................................... 10   10 Ventral sinus of S-7 angular at deepest point..........   P. albignaci Klein, 1967  – Ventral sinus of S-7 rounded and not angular ........................................... 11   11 Ventral lobe of S-7 distinctly narrower than dorsal lobe and elongated well beyond dorsal lobe and apex of ventral edge of sternite ................................. ..........................................................................   P. pauliani Lumaret, 1962  – Ventral lobe broader than dorsal lobe; extending only slightly beyond dorsal lobe and shorter than apex of ventral edge of sternite.................................... ...............................................................   P. juliamarinusDuchemin, 2004   12 Setae of frontal row fine and not thickened or spiniform .......................... 13  – One or more setae of frontal row thickened or spiniform.......................... 15   13 Perula extremely dilated; bursa copulatrix scarcely longer that width of dilated perula ..................................................   P. goodmani Duchemin, 2003  – Perula not much more dilated than width of bursa copulatrix................... 14   14 Lobe of S-7 rounded, extending far beyond ventral apex of sternite; sinus subtending lobe, much narrower that width of lobe.....   P. rouxiDuchemin, 2004  – Lobe of S-7 somewhat angular; sinus much wider than dorsal lobe............... ..........................................................................   P. grandidieriKlein, 1965   15 Lobe of S-7 and ventral apex of sternite acutely pointed; sinus between broadly flattened at base..............................................   P. vietteiKlein, 1965  – Lobe of S-7 rounded at apex; sinus rounded at base.................................. 16   16 Vertical distance between ventral margin of S-7 and dorsal margin of sclerite longer than horizontal width of S-7 from anterior edge to apex of lobe......... .....................................................................   P. randrianasoloi Klein, 1967  – Vertical width of S-7 less than horizontal width...   P. gemelliDuchemin, 2004   17 Apex of median dorsal lobe narrowly rounded, even drawn out as narrow lobe........................................................................................................... 18  – Apex of median dorsal lobe broadly rounded, never lobate ....................... 21   18 Sternum eight with sinus on caudal margin and a dorsal lobe ....................... ..........................................................................   P. grandidieriKlein, 1965  – Sternum eight without a sinus or dorsal lobe on caudal margin ................ 19   19 Proximal lobe of distal arm of S-9 expanded postad into triangle; apex of median dorsal lobe nearly forming a right angle...........   P. petitiKlein, 1965  – Proximal lobe of distal arm of S-9 not expanded, nearly parallel; apex of median dorsal lobe much less than a right angle ............................................ 20   20 Telomere short (length 3× maximum width); apodeme of aedeagus broad (length only 3× maximum width measured from apex to base of fulcral lateral lobe) ........................................................   P. ratovonjatoiDuchemin, 2004  – Telomere long (length>3× maximum width); apodeme of aedeagus narrow (length 4× or more the width)..............................   P. rouxiDuchemin, 2004   21 Apodeme of aedeagus long and narrow (length 4× or more maximum width)....................................................................................................... 22  – Apodeme of aedeagus shorter and broad (length about 3× width)............. 27   22 Apex of median dorsal lobe hooked .......................................................... 23  – Apex of median dorsal lobe not hooked .................................................... 25   23 Apical lobe of distal arm of S-9 drawn out into a point................................. .........................................   P. raxworthyiDuchemin & Ratovonjato, 2004  – Apical lobe blunt or globular .................................................................... 24   24 Sinus formed by hook of median dorsal lobe as large as outline of lateral lobe...............................................................   P. randrianasoloiKlein, 1968  – Sinus much smaller than outline of lateral lobe....   P. gamelliDuchemin, 2004   25 Dorsal lobe of S-8 present; subtended by sinus ......................................... 26  – Dorsal lobe absent; no well defined sinus .................................................... ...............................................................   P. juliamarinusDuchemin, 2004   26 Lateral lobe present, margins minutely serrate......   P. madagascarensis sp. n.  – Lateral lobe absent ................   P. oconnoriDuchemin & Ratovonjato, 2004   27 Proximal lobe of distal arm of S-9 as wide as, or wider than length from base to distal lobe ............................................................................................. 28Proximal lobe distinctly narrower that length............................................ 29   28 Setae along caudal margin of S-8 interrupted; manubrium with curved angle on ventral margin ........................................   P. goodmani Duchemin, 2003  – Setae along caudal margin of S-8 complete; manubrium straight on ventral margin.......................................................   P. duplantieriDuchemin, 2004   29 Caudal margin of S-8 with sinus..................................   P. viettiKlein, 1965  – Caudal margin of S-8 without sinus.......................................................... 30   30 Apex of distal arm of S-9 drawn out into a point .......................................... .......................................   P. beaucournuiDuchemin & Ratovonjato, 2004  – Apex of distal arm of S-9 globular, rounded.............................................. 31   31 Caudal margin of S-8 with dorsal lobe...................   P. albignaciKlein, 1968  – Caudal margin of S-8 entire; without indication of lobe ........................... 32   32 Manubrium only slightly curved or hooked upward ....   P. vauceliKlein, 1965  – Manubrium distinctly curved upward....................................................... 33   33 Ventral lobe of distal arm of S-9 without sinus at apex; ventral margin of crochet angled...................................................   P. kerguisteliWagner, 1938  – Ventral lobe of distal arm of S-9 with sinus at apex; ventral margin of crochet rounded.............................................................   P. pauliani Lumaret, 1962