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1 ( ) Aphis fabae Lysiphlebus fabarum *1 1 2 (90/12/2 : 90/6/5 : ) Lysiphlebus fabarum (Marshall) -.. ( 15 ) L. fabarum L. fabarum. : arasekh@ut.ac.ir : : *

2 (Roitberg et al., 1992) ( ) Roitberg et al., ).(1992 ( ) ( ) Lysiphlebus fabarum (Hymenoptera: Aphidiidae) Aphis fabae Scopoli L.. (Hemiptera: Aphididae) fabarum Stary, 1999; Meyhofer ) 45.(& Klug, 2002 Baghery-Matin ).(Stary, 1999).(et al., 2005; Baroon, Aphis fabae Lysiphlebus fabarum (Houston et al., 1988) ) ( ) Collins & Dixon, 1986; Luck, 1990; ) ( Roitberg, 1990; Visser et al., 1990; Michaud,.(1994; (Mangel. and Roitberg, 1989).(Wajnberg, 2006) (Bernstein et al.,.1988; Tentelier et al., 2006) Michaud, 1995; Michaud, ) (1996..(Tauber et al., 1986).

3 :». «) Voice ) (. (recorder /5 25 ( 40 37). ( 20 8)... ) 16 % ±1 C. ( 8 L. fabarum (± 6 h).. (72±4 h). ) ( ( 20 8). 0/95 ). ( 7 3/5) %30 ( ) ( ). (.. 3/5) 3-4 ( 15.. (Open patch)». «

4 L. fabarum ( 8 16) (n =18) 7-10 (n =18). ( - ) -.(1 ) Mann Whitney U-.(SPSS, 1998) test. (n =72). 16) - ( 8 (n =18) - - ( 14 10) ( ) (75 25 ) Lysiphlebus fabarum -1. (n=18 /) - (n=18 / ) - P U 0/001 54/0 0/001 55/0 0/003 71/0 0/037 96/0 ( / ) - /- - / - 28/4 (19/3 41/2) 12/6 (2/6 20/5) () 28/3 (19/2 40/2) 12/5 (2/6 20/5) () 2/0 (1/3 3/7) 4/0 (3/4 6/1) () 1/0 (0/1 0/0) 0/0 (0/0 0/0) 0/024 91/0 20/0 (9/3 25/0) 8/0 (2/0 19/0) 0/005 75/5 54/0 (24/0 66/8) 18/5 (3/8 38/0) -.(1 ) -. 1

5 :.(2 ) - 25 ) Lysiphlebus fabarum.2. (n=18 /) - (n=18 / ) - (75 ( / ) P U - /- - / - 0/ /5 0/0 (0/0 0/2) 0/0 (0/0 0/0) () 0/ /0 0/0 (0/1 0/0) 0/0 (0/0 0/0) 0/001 59/0 6/8 (4/8 10/3) 3/0 (0/7 6/1) () 0/003 70/5 18/5 (9/8 23/3) 6/5 (1/8 14/0) 0/ /0 0/13 (0/0 1/8) 0/0 (0/0 0/5) () 0/ /0 1/5 (0/0 11/3) 0/0 (0/0 3/0) 0/004 72/0 13/8 (9/0 16/0) 7/6 (0/6 9/6) () 0/005 75/5 20/5 (10/5 24/0) 8/5 (1/8 15/5) 0/ /0 2/7 (1/2 4/5) 1/7 (0/0 5/2) () 0/034 95/0 8/0 (3/5 10/0) 2/5 (0/0 5/5).(U =96/0 P =0/037).(3 ) U ).(1

6 (4 ). (75 25 ) Aphis fabae -3 - (n=18 / ) - Lysiphlebus fabarum. (n=18 /) ( / ) P U - /- - / - 0/226 0/308 0/501 0/ /0 129/5 140/0 111/0 4/0 (1/5 7/0) 0/0 (0/1 0/0) 1/5 (0/3 0/0) 0/0 (0/1 0/0) 1/0 (0/0 5/3) 0/0 (0/0 0/3) 1/5 (0/3 0/0) 0/0 (0/1 0/0) 3-6 (75 25 ) Lysiphlebus fabarum -4 Aphis 15 ) (n= 18) 7-10 (n= 18). (fabae P U 0/32 130/0 12/8 (3/7 29/2) 9/6 (2/5 18/5) () 0/34 131/0 12/8 (3/7 27/5) 9/6 (2/5 18/5) () 0/029 93/0 2/5 (1/4 4/0) 4/2 (3/4 7/4) () 0/ /0 0/0 (0/0 0/0) 0/0 (0/0 0/0) 0/ /0 8/5 (3/5 17/3) 7/0 (2/0 19/0) 0/ /5 22/5 (7/8 63/3) 16/0 (3/8 38/0) (6 )..(5 ) (75 25 ) Lysiphlebus fabarum ) (n= 18) 7-10 (n= 18) 3-6. (Aphis fabae P 0/36 0/36 0/08 0/3 0/89 0/91 0/42 0/42 0/63 0/56 U 132/5 132/0 106/5 128/5 157/0 158/5 136/0 136/0 146/0 143/0 0/0 (0/0 0/1) 0/0 (0/0 1/0) 4/5 (1/6 7/2) 10/0 (3/5 21/5) 0/0 (0/0 0/4) 0/0 (0/0 2/8) 5/8 (2/0 13/0) 11/0 (3/5 15/5) 0/37 (0/0 4/3) 3/0 (0/8 8/3) 0/0 (0/0 0/0) 0/0 (0/0 0/0) 2/2 (0/7 5/6) 5/5 (1/8 14/0) 0/0 (0/0 0/6) 0/0 (0/0 3/5) 4/5 (0/6 8/9) 5/0 (1/8 14/8) 1/9 (0/0 5/2) 2/0 (0/0 5/5) () () () () ()

7 : (75 25 ) Aphis fabae -6 (n= 18) 7-10 (n= 18) 3-6 Lysiphlebus fabarum. (Aphis fabae 15 ) P U 0/37 133/5 2/5 (0/0 6/0) 1/0 (0/0 3/3) 0/9 156/0 0/0 (0/0 0/3) 0/0 (0/0 0/0) 0/52 141/5 0/5 (0/3 0/0) 1/5 (0/3 0/0) 0/24 124/0 0/0 (0/0 1/3) 0/0 (0/0 0/3) Drosophila spp..(roitberg et al., 1992) (- ) ( - ). (Meijer et (Lalonde & al., 1990) Cirisium arvense Mackauer et al. (1996).Roitberg, 1988) (Host value) Patch ). (value Roitberg et al., 1992; ).(Godfray, L. fabarum. Hym.: ) Leptopilina heterotoma (Eucoilidae

8 / ( ) / ( ) / ( ) /( Lysiphlebus fabarum -1 (n=18 / ) - - (n=18 / ) - /) - (n=18 /) - -. Aphis fabae ( 15 ) (n=18 -. (Rasekh et al., 2009)

9 :.(Roitberg et al., 1992). L. fabarum. L. fabarum». «.... L. fabarum. REFERENCES 1. Baghery-Matin, Sh., Sahragard, A. & Rasoolian, G. R. (2005). Some behavioural characteristics of Lysiphlebus fabarum (Hym: Aphidiidae) parasitizing Aphis fabae (Hom: Aphididae) under laboratory conditions. Journal of Entomology, 2, Baroon, N. (2007). A study of population fluctuations of black bean aphid, Aphis fabae (Hom.: Aphididae) and the efficiency of its parasitoid Lysiphlebus fabarum (Marsh.) (Hym.: Braconidae) on Faba bean in Ahvaz. M.S. thesis. College of Agriculture, Ahvaz University, Iran (In Farsi). 3. Bernstein, C., Kacelnik, A. & Krebs, J. R. (1988). Individual decisions and the distributions of predators in patchy environment. Journal of Animal Ecology, 57, Collins, M. D. & Dixon, A. F. G. (1986). The effect of egg depletion on the foraging behavior of an aphid parasitoid. Journal of Applied Entomology, 102, Godfray, H. C. J. (1994). Parasitoids behavioral and evolutionary ecology. Princeton University Press. 6. Houston, A. I., Clark, C. W., Mc Namara, J. M. & Mangel, M. (1988). Dynamic models in behavioural and evolutionary ecology. Nature, 332, Lalonde, R. & Roitberg, B. D. (1988). Resource limitation and offspring size and number trade-offs in Cirisium arvense. American Journal of Botany, 76, Luck, R. F. (1990). Evaluation of natural enemies for biological control. Trends in Ecolology & Evolution, 5, Mackauer, M., Michaud, J. P. & Volkl, W. (1996). Host choice by aphidiid parasitoids (Hymenoptera: Aphidiidae): Host recognition, Host quality, and Host value. The Canadian Entomologist, 6, Mangel, M. & Roitberg, B. (1989). Dynamic information and oviposition decisions in a fruit fly. Ecological Entomology, 14, Meijer, T., Daan, S. & Hall, M. (1990). Family planning in the kestrel (Falco tinnunculus): the proximate control of covariation of laying date and clutch size. Behaviour, 114, Michaud, J. P. (1994). Differences in foraging behavior between virgin and mated aphid parasitoids, (Hymenoptera: Aphidiidae). Canadian Journal of Zoology, 72,

10 Michaud J. P. (1995). Static and dynamic criteria in host evaluation by aphid parasitoids (Hym.: Aphidiidae). Ph.D. dissertation. Simon Fraser University, Burnaby. British Colombia. 14. Michaud J. P. (1996). The oviposition behavior of Aphidius ervi and Monoctonus paulensis (Hym.: Aphidiidae) encountering different host species in sequential patches. Journal of Insect Behavior, 9, Rasekh, A., Michaud, J. P., Kharazi-Pakdel, A. & Allahyari, H. (2009). Ant mimicry by an aphid parasitoid, Lysiphlebus fabarum (Marshall) (Hymenoptera: Aphidiidae). Journal of Insect Science, 10(126), Roitberg, B. D. (1990). Optimistic and pessimistic fruit flies: Evaluating fitness consequences of estimation errors. Behaviour, 114, Roitberg, B. D., Mangel, M., Lalonde, R. G., Roitberg, C. A., van Alphen, J. J. M. & Vet, L. (1992). Seasonal dynamic shifts in patch exploitation by parasitic wasps. Behavioral Ecology, 3, SPSS. (1998). SPSS 8.0 for windows. SPSS Inc., Prentice Hall, New Jersey. 19. Stary, P. (1999). Aggregations of aphid parasitoid adults (Hymenoptera, Aphidiidae). Journal of Applied Entomology, 105, Tauber, M. J., Tauber, C. A. & Masaki, S. (1986). Seasonal adaptations of insects. New York: Oxford University Press. 21. Tentelier, C., Desouhant, E. & Fauvergue, X. (2006). Habitat assessment by parasitoids: mechanisms for patch use behavior. Behavioral Ecology, 17, Visser, M. E., van Alphen, J. J. M. & Nell, H. W. (1990). Adaptive superparasitism and patch time allocation in solitary parasitoids: the influence of the number of parasitoids depleting the patch. Behaviour, 114, Wajnberg, E. (2006). Time allocation strategies in insect parasitoids: from ultimate predictions to proximate behavioral mechanisms. Behavioral Ecolology and Sociobiology, 60,

Lysiphlebus fabarum (Marshall) (Hym.: Aphidiidae)

Lysiphlebus fabarum (Marshall) (Hym.: Aphidiidae) Lysiphlebus fabarum (Marshall) (Hym.: Aphidiidae) * Aphis fabae Scopoli Lysiphlebus fabarum (Marshal) ±± L. fabarum T r Ardavanmardani@ut.ac.ir* Lysiphlebusfabarum ± ± Chi and 1988Liu, 1985 TWOSEX- Chi,

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