Advertisement

Applied Entomology and Zoology

, Volume 46, Issue 1, pp 111–116 | Cite as

Geographical variation of photoperiodic wing form determination and genetic background of reproductive diapause in arrhenotokous populations of Thrips nigropilosus Uzel (Thysanoptera: Thripidae) in Japan

  • Shiro NakaoEmail author
Original Research Paper

Abstract

To determine the level of inter-population variation in wing form and the induction of reproductive diapause as affected by photoperiod, females of five populations of arrhenotokous Thrips nigropilosus Uzel were reared under four different photoperiodic conditions at 18°C. The experimental populations originated from Nakijin-son, Motobu-cho, and Uruma-shi in Okinawa Island, Amami-shi in Amami-Oshima Island, and Wakayama-shi on Honshu Island. In all five populations, only macropterae were observed when the photoperiod was 13 h light/11 h dark. Brachypterae were observed as the light period was reduced to 11.5 or 12 h in the Wakayama population, and to 10 or 11.5 h in the Nakijin, Motobu, and Uruma populations. Brachypterous females were observed in the Amami population only when the light period was 10 h. With the same photoperiod, only brachypterae were observed in the Wakayama and Uruma populations. Short-day conditions also induced reproductive diapause in the Wakayama population but not in the Amami and Okinawa Island populations. Under 10 h light/14 h dark, almost all hybrids obtained from crossing Wakayama with Amami populations entered reproductive diapause. Some populations in Okinawa Island may have been originated in northern localities.

Keywords

Reproductive diapause Preoviposition period Wing form Thrips nigropilosus 

Notes

Acknowledgments

I wish to thank Drs M.P. Schwarz and T.W. Chapman for useful comments and verbal correction of previous versions of this manuscript, and Miss T. Tsutsui for technical assistance and discussion.

References

  1. Beck SD (1980) Insect photoperiodism, 2nd edn. Academic Press, New York, p 387Google Scholar
  2. Ikeda F (1990) Thrips nigropilosus Uzel. In: Morita H (ed) Chrysanthemum pest control. Kokkaen, Osaka, pp 154–155 (in Japanese)Google Scholar
  3. Masaki S (1972) Climatic adaptation and photoperiodic response in the band-legged ground cricket. Evolution 26:587–600CrossRefGoogle Scholar
  4. Masaki S (1979) Climatic adaptation and species status in the lawn ground cricket. I. Photoperiodic response. Kontyu 47:48–65Google Scholar
  5. Masaki S (1996) Geographical variation of life cycle in crickets (Ensifera: Grylloidea). Eur J Entomol 93:281–302Google Scholar
  6. Morse JG, Hoddle MS (2006) Invasion biology of thrips. Annu Rev Entomol 51:67–89CrossRefPubMedGoogle Scholar
  7. Mound LA (2005) Thysanoptera: diversity and interactions. Annu Rev Entomol 50:247–269CrossRefPubMedGoogle Scholar
  8. Mound LA, Kibby G (1998) Thysanoptera an identification guide, 2nd edn. CAB International, Wallingford, p 70Google Scholar
  9. Murai T (1987) Reproductive diapause of flower thrips, Frankliniella intonsa. In: Holman J, Pelikan J, Dixon AFG, Weismann L (eds) Population structure, genetics and taxonomy of Aphids and Thysanoptera. SPB Academic Publishing, Hague, pp 467–479Google Scholar
  10. Nakao S (1993) Effects of temperature and photoperiod on wing form determination and reproduction of Thrips nigropilosus Uzel (Thysanoptera: Thripidae). Appl Entomol Zool 28:463–472Google Scholar
  11. Nakao S (1994a) Photothermic control of wing form and reproductive diapause in female Thrips nigropilosus Uzel (Thysanoptera: Thripidae). Jpn J Appl Entomol Zool 38:183–189 (in Japanese with English summary)Google Scholar
  12. Nakao S (1994b) Wing polymorphism in females of arrhenotokous Thrips nigropilosus: relationships between wing form and life history traits in two geographical strains with different genetic components of brachyptery. In: Proceedings of memorial and international symposium on dispersal polymorphism of insects, its adaptation and evolution, Okayama, pp 153–161Google Scholar
  13. Nakao S (1997) Overwintering and seasonal changes in wing form composition of Thrips nigropilosus Uzel (Thysanoptera: Thripidae) in Kyoto, Japan. Appl Entomol Zool 32:49–55Google Scholar
  14. Nakao S (2004) Evolutionary bionomics of wing polymorphism in Thysanoptera. In: Fujisaki K, Tanaka S (eds) Flight and phase polymorphism of insects. Tokai University Press, Kanagawa, pp 121–137 (in Japanese)Google Scholar
  15. Nakao S, Yabu S (1998) Genetics of wing polymorphism in the arrhenotokous Thrips nigropilosus Uzel. Jpn J Entomol (N. S.) 1:9–19 (in Japanese with English summary)Google Scholar
  16. Nakao S, Yabu S, Nakashima A (1997) The impacts of the long-distance transportation of plant materials for the revegetation on local populations of insects. Environ Syst Res (25): 665–669 (in Japanese with English summary)Google Scholar
  17. Palmer JM, Mound LA, du Heaume GJ (1989) CIE guides to insects of importance to man. 2. In: Betts CR (ed) Thysanoptera. CAB International, Wallingford, 73 ppGoogle Scholar
  18. Shimizu T, Masaki S (1993) Genetic variability of the wing-form response to photoperiod in a subtropical population of the ground cricket, Dianemobius fascipes. Zool Sci 10:935–944Google Scholar
  19. Uezumi Y (1988) Thrips nigropilosus Uzel. In: Umeya K, Kudo I, Miyazaki M (eds) Pest Thrips in Japan. Zenkoku Noson Kyoiku Kyokai, Tokyo, pp 313–314 (in Japanese)Google Scholar

Copyright information

© The Japanese Society of Applied Entomology and Zoology 2010

Authors and Affiliations

  1. 1.Laboratory of Applied Entomology, Graduate School of Life and Environmental SciencesKyoto Prefectural UniversityKyotoJapan

Personalised recommendations