Notophthiracarus Ramsay, 1966

Niedbała, Wojciech & Starý, Josef, 2016, New and little known species of ptyctimous mites (Acari, Oribatida) from Madagascar, Zootaxa 4103 (6), pp. 587-599 : 596-597

Key to species of Notophthiracarus Ramsay, 1966 of Madagascar

*Because of incomplete data on morphological details it is difficult to include in the key N. paulianus ( Balogh, 1962) , whose generic status is uncertain.

1. Surface of body reticulated........................... N. reticularis Niedbała & Starý, 2014 ( Niedbała & Starý 2014b)

-. Surface of body punctate, foveolate or ornamented with ribs.................................................... 2

2. Surface of body ornamented with longitudinal parallel ribs resembling finger dermatoglyph.......................... 3

-. Surface of body punctate or foveolate.................................................................... 5

3. Sensilli setiform, long, thin, rough, slightly sickle-shaped; setae v’ of femora I present,,setae d forked distally.............................................................................................. N. zebrus ( Balogh, 1962)

-. Sensilli long, bulbous or short with rounded head; setae v’ of femora I absent, setae d not forked...................... 4

4. Sensilli short, with rounded head; formula of genital seta: 6(4+2): 3; seta d of femora I in middle of article........................................................................ N. dactyloscopicus (Mahunka, 1978) ( Mahunka 1978b)

-. Sensilli long, bulbous in proximal part and very narrow and tapering in distal part; formula of genital setae: 5: 4; setae d of femora I at distal end of article............................ N. liratus Niedbała & Starý, 2015 ( Niedbała & Starý 2015c)

5. Surface of body foveolate............................................................................... 6

-. Surface of body punctate............................................................................... 23

6. Foveolae on notogaster joined with feeble lines or ordered in irregular longitudinal furrows......................... 7

-. Foveoles ordered separately............................................................................. 8

7. Foveolae on notogaster joined with feeble lines; formula of genital setae: 6: 3.......................................................................................... N. lineatus Niedbała & Starý, 2015 ( Niedbała & Starý 2015c)

-. Foveoles ordered in irregular longitudinal furrows; formula of genital setae: 5: 4...... N. pseudosomalicus Mahunka, 2010

8. Sensilli needleform or baciliform, without head............................................................ 9

-. Sensilli with distinct head............................................................................. 14

9. Notogaster with 2 longitudinal dorsal carinae framing flat median field; formula of genital setae: 4: 5............................................................................................... N. bicarinatus Niedbała, 2001

-. Notogaster without cristae; another formula of genital setae................................................... 10

10. Sensilli baciliform, not sickle-shaped..................................................................... 11

-. Sensilli sickle-shaped................................................................................. 12

11. Adanal setae ad 2 situated near paraxial border; setae d on femora I bifurcated distally................................................................................... N. dispersus Niedbała & Starý, 2015 ( Niedbała & Starý 2015b)

-. Adanal setae ad 2 remote from paraxial border; setae d on femora I not bifurcated distally...... N. summersi Niedbała, 2001

12. Lamellar setae vestigial; formula of genital setae: 6: 3................................... N. procerus Niedbała, 2001

-. Lamellar setae not vestigial; formula of genital setae: 5:4..................................................... 13

13. Interlamellar setae long, as long as distance ro–in; notogastral setae longer, c 1≈ c 1– d 1............. N. echinus ( Balogh, 1962)

-. Interlamellar setae considerably shorter than ro–in; notogastral setae shorter, c 1/ c 1– d 1=0.6........ N. parapaulianus sp. nov.

14. Notogaster with 2 dorsal, longitudinal cristae, framed flat field; prodorsum with crested prominent median crista......................................................... N. quasisimilis Niedbała & Starý, 2015 ( Niedbała & Starý, 2015c)

-. Notogaster without dorsal cristae; prodorsum without crista or if exist is not crested............................... 15

15. Adanal setae ad 2 remote anteriorly close to ad 3 setae.................................. N. inusitatus Mahunka, 2010

-. Adanal setae ad 2 situated at level of anal setae.............................................................. 16

16. Notogaster setae minute (c 1<1/4 c 1– d 1); all setae of ano-adanal plate minute................... N. rafalskii Niedbała, 1997

-. Notogaster setae longer, at least c 1=1/2 c 1– d 1); at least anal setae long........................................... 17

17. Anal setae long, all adanal setae minute......................................... N. parareductus ( Mahunka, 1992)

-. Anal setae at least slightly shorter than adanal setae ad 1 and ad 2................................................ 18

18. Adanal setae ad 2 thick, obtuse and bent distally........................................... N. similis Niedbała, 2001

-. Adanal setae ad 2 pointed and not bent distally............................................................. 19

19. Setae in and le very short, needle-like, similar in length.. N. pandanensis Niedbała & Starý, 2014 ( Niedbała & Starý 2014b)

-. Setae in thick, stout, considerably longer than setae le ...................................................... 20

20. Three pairs of lyrifissures ia, im, ip present; formula of genital setae: 6: 3.............. N. malagasensis ( Mahunka, 2010)

-. Two pairs of lyrifissures ia, im present; formula of genital setae: 5: 4............................................ 21

21. Head of sensilli with 4 spines; lamellar setae not minute or vestigial; curved setae d of femora I........................

............................................. N. quasisomalicus Niedbała & Starý, 2014 ( Niedbała & Starý 2014b) -. Head of sensilli smooth or covered with some small spines; lamellar setae minute or vestigial; setae d of femora I straight 22 22. Lamellar setae minute; notogastral setae short (c 1<c 1– d 1); setae d of femora I slightly remote from distal end of article......

.......................................................................... N. parasomalicus Niedbała, 2001 -. Lamellar setae vestigial; notogastral setae relatively long (c 1> c 1– d 1); setae d of femora I at distal end....................

.......................................................................... N. parasummersi Niedbała, 2001 23. Interlamellar setae erect and as notogastral setae with hooked distal ends.......... N. clavifer comb. nov. ( Mahunka, 1988)* -. Interlamellar setae procumbent and as notogastral setae without hooked distal ends................................ 24 24. Bothridia covered by small, triangular scales; sensilli with longer pedicel than rounded head; setae in and le spiniform......

.............................................................................. N. puylaerti Niedbała, 2001 -. Bothridia without scales; other shape of sensilli; setae in and le filiform or rigid and rough......................... 25 25. Setae in and le setae rigid, semi-erect, rough, all notogastral setae similar in length and shape; 2 pairs of lyrifissures ia and im

present.......................................................................... N. parilloi Niedbała, 2001 -. Setae in and le setae filiform, attenuate, procumbent; notogastral setae different in length and shape; 4 pairs of lyrifissures ia,

im, ip and ips present.................................................................................. 26 26. Sensilli club-like, rounded distally; ro–ro>1/ 2 in –in......... N. obliquus Niedbała & Starý, 2015 ( Niedbała & Starý 2015c) -. Sensilli with pointed tip; ro–ro <1/ 4 in –in................................................................. 27 27. Majority of notogastral setae minute; h> h–h; setae ad 2 lateral and anterior of anal setae...............................

.................................................... N. micidus Niedbała & Starý, 2015 ( Niedbała & Starý 2015c) -. Only 5 pairs of notogastral setae minute; h <h–h; setae ad 2 lateral and between levels of anal setae......................

............................................... N. andasibensis Niedbała & Starý, 2014 ( Niedbała & Starý 2014b) *described as Phthiracarus but clearly belongs to the Notophthiracarus by the arrangement of genital setae