Mycterothrips

Alavi, Jalil, Awal, Mehdi Modarres, Fekrat, Lida & Minaei, Kambiz, 2013, The genus Mycterothrips (Thysanoptera: Thripidae) in Iran, with three new species, Zootaxa 3718 (4), pp. 345-356 : 347-348

Key to Mycterothrips from Iran *

* latus , hamedanensis, and consociatus are not examined. Male is not described for mahvelatensis and sanubari .

1. Female.............................................................................................. 2

-. Male............................................................................................... 10

2. At least abdominal sternites V–VII with discal setae in addition to posteromarginal setae ( Figs 7 , 14 )................... 3

-. Abdominal sternites with posteromarginal setae only ( Fig. 28 ).................................................. 4

3. Anterior margin of pronotum with three pairs setae ( Figs. 32–34 ), tegite II with four lateral marginal setae ( Fig. 12 ), abdominal sternites III–VII, with discal setae ( Fig. 14 )..................................................... nastarani sp.n.

-. Anterior margin of pronotum with two pairs setae ( Figs. 37 –39), tergite II with three lateral marginal setae ( Fig. 5 ), only abdominal sternites V–VII or VI–VII with discal setae ( Fig. 7 )................................... mahvelatensis sp.n.

4. Abdominal tergites II–VIII laterally and pleurotergites with numerous ciliate microtrichia along lines of sculpture, microtrichia uniform and regular on all segments ( Figs. 22–23 )................................................ sanubari sp.n.

-. Abdominal tergites laterally (and often pleurotergites also) without ciliate microtrichia along lines of sculpture, when present microtrichia are either irregular or small dentate, or microtrichia ciliate but not uniform and usually on posterior segments only ( Fig 27 )............................................................................................. 5

5. Postocular setae III distinctly stouter and longer than other setae, more than half length of ocellar setae III; metathoracic spinula weakly developed or reduced................................................................... latus

-. Postocular setae III not as above, not distinctly stouter and longer than other setae; metathoracic spinula well developed.... 6

6. Abdominal tergum II with three lateral marginal setae......................................................... 7

-. Abdominal tergum II with four lateral marginal setae......................................................... 9

7. Mesonotum with a pair of CPS anteromedially, abdominal tergite IX with two pairs of CPS......................... weii

-. Mesonotum without a pair of CPS anteromedially ( Fig. 25 ), abdominal tergite IX without or with two pairs of CPS........ 8

8. Forked sense-cones of antennal segments III and IV about 1.4 times as long as length of V ( Fig 24 ); abdominal tergite IX with- out CPS ( Fig. 26 ), abdominal tergites laterally and pleurotergites with small dentate along lines of sculpture ( Fig. 27 ).................................................................................................. tschirkunae

-. Forked sense-cones on antennal segments III and IV shorter than length of antennal segment V; abdominal tergite IX with two pairs of CPS (c.f. Fig 23 ), abdominal tergites with irregular microtrichia on some segments............... hamedaniensis

9. Antennal segments I–VIII uniformly dark brown; abdominal tergum IX with both anterior and posterior pairs of CPS.................................................................................................. consociatus

-. Antennal segments I–VIII not uniformly dark brown, at least III yellow or sharply bicoloured; abdominal sternum VII with all setae situated at posterior margin..................................................................... salicis

10. Antennal segment VI more than 1.0 times as long as combined length of segments I–V, with numerous long setae and no microtrichia; abdominal sternites with discal setae in addition to posteromarginal setae; abdominal tergites VI–VIII with S4 setae minute................................................................................. consociatus

-. Antennal segment VI less than 0.7 times as long as combined length of segments I–V ( Figs. 15 , 29 ); other character states variable............................................................................................... 11

11. At least abdominal sternum VIII with discal setae in addition to posteromarginal setae ( Figs. 16 , 30 ); antennal segment VI about 0.5–0.6 times as long as combined length of segments I–V............................................... 12

-. Abdominal sternites with posteromarginal setae only; antennal segment VI about 0.2–0.3 times as long as combined length of segments I–V........................................................................................ 13

12. Forked sense-cones of antennal segments III and IV almost as long as length of V ( Fig. 15 ); abdominal sternum II–VIII with discal setae ( Fig. 16 ); tergum IX with SS1 setae shorter than half length of S1 setae ( Fig. 17 ).............. nastarani sp.n.

-. Forked sense-cones of antennal segments III and IV about 1.4 times as long as length of V ( Fig. 29 ); only abdominal sternum VII–VIII with discal setae ( Fig. 30 ); tergum IX with SS1 setae subequal to length of S1 setae ( Fig. 31 )......... tschirkunae

13. Mesonotum with paired CPS anteromedially............................................................... 14

-. Mesonotum without paired CPS anteromedially............................................................ 15

14. Postocular setae III distinctly stouter and longer than other setae, more than half length of ocellar setae III; antennal segment VI about 0.3 times as long as combined length of segments I–V.............................................. latus

-. Postocular setae III not as above, not distinctly stouter and longer than other setae; antennal segment VI about 0.2 times as long as combined length of segments I–V.................................................................... weii

15. Antennal segment VI almost as long as that of female, with microtrichia on ventral surface only; tergum IX with SS1 setae minute.......................................................................................... salicis

-. Antennal segment VI slightly shorter than that of female, without microtrichia on both dorsal and ventral view; tergum IX with SS1 setae about half length of S1 setae......................................................... hamedaniensis

Figures

FIGURES 1 – 7. Mycterothrips mahvelatensis sp. n. Female: (1) Base of fore wing and scale (left); (2) Head & pronotum; (3) Antenna (right); (4) Mesonotum & metascutum; (5) Tergites II – IV; (6) Tergites VII – X; (7) Sternites V – VII.

FIGURES 8 – 17. Mycterothrips nastarani sp. n. Female: (8 – 14); Male: (15 – 17): (8) Base of fore wing and scale (left); (9) Head & pronotum; (10) Antenna (right); (11) Mesonotum & metascutum; (12) Tergites II – IV; (13) Tergites VII – X; (14) Sternites IV – VII; (15) Antenna (leftt); (16) Sternites IV – IX; (17) Tergites VIII – X.

FIGURES 24 – 31. Mycterothrips tschirkunae. Female: (24 – 28); Male: (29 – 31): (24) Antenna (right); (25) Mesonotum & metascutum; (26) Tergites VIII – X; (27) Tergites II – IV; (28) Sternites III – VII; (29) Antenna (right); (30) Sternites III – IX; (31) Tergites VIII – IX.

FIGURES 32 – 37. Variation in number of posterior seta of pronotum in Mycterothrips species. M. mahvelatensis sp. n. (32 – 34); M. nastarani sp. n. (35 – 37).

FIGURES 18 – 23. Mycterothrips sanubari sp. n. Female: (18 – 23): (18) Head & pronotum; (19) Antenna (right); (20) Mesonotum & metascutum; (21) Fore wing (left); (22) Tergites II – IV; (23) Tergites VIII – X.