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CONTRIBUTION TO THE STUDY OF BIOLOGY OF ASH WEEVIL (Stereonychus fraxini De Geer)

Milan DREKIĆ ; Institute of Lowland Forestry and Environment, University of Novi Sad, Serbia
Leopold POLJAKOVIĆ PAJNIK ; Institute of Lowland Forestry and Environment, University of Novi Sad, Serbia
Verica VASIĆ ; Institute of Lowland Forestry and Environment, University of Novi Sad, Serbia
Predrag PAP ; Institute of Lowland Forestry and Environment, University of Novi Sad, Serbia
Andrej PILIPOVIĆ ; Institute of Lowland Forestry and Environment, University of Novi Sad, Serbia

Puni tekst: engleski, pdf (550 KB) str. 387-395 preuzimanja: 399* citiraj
APA 6th Edition
DREKIĆ, M., POLJAKOVIĆ PAJNIK, L., VASIĆ, V., PAP, P. i PILIPOVIĆ, A. (2014). CONTRIBUTION TO THE STUDY OF BIOLOGY OF ASH WEEVIL (Stereonychus fraxini De Geer). Šumarski list, 138 (7-8), 387-395. Preuzeto s https://hrcak.srce.hr/129597
MLA 8th Edition
DREKIĆ, Milan, et al. "CONTRIBUTION TO THE STUDY OF BIOLOGY OF ASH WEEVIL (Stereonychus fraxini De Geer)." Šumarski list, vol. 138, br. 7-8, 2014, str. 387-395. https://hrcak.srce.hr/129597. Citirano 22.11.2019.
Chicago 17th Edition
DREKIĆ, Milan, Leopold POLJAKOVIĆ PAJNIK, Verica VASIĆ, Predrag PAP i Andrej PILIPOVIĆ. "CONTRIBUTION TO THE STUDY OF BIOLOGY OF ASH WEEVIL (Stereonychus fraxini De Geer)." Šumarski list 138, br. 7-8 (2014): 387-395. https://hrcak.srce.hr/129597
Harvard
DREKIĆ, M., et al. (2014). 'CONTRIBUTION TO THE STUDY OF BIOLOGY OF ASH WEEVIL (Stereonychus fraxini De Geer)', Šumarski list, 138(7-8), str. 387-395. Preuzeto s: https://hrcak.srce.hr/129597 (Datum pristupa: 22.11.2019.)
Vancouver
DREKIĆ M, POLJAKOVIĆ PAJNIK L, VASIĆ V, PAP P, PILIPOVIĆ A. CONTRIBUTION TO THE STUDY OF BIOLOGY OF ASH WEEVIL (Stereonychus fraxini De Geer). Šumarski list [Internet]. 2014 [pristupljeno 22.11.2019.];138(7-8):387-395. Dostupno na: https://hrcak.srce.hr/129597
IEEE
M. DREKIĆ, L. POLJAKOVIĆ PAJNIK, V. VASIĆ, P. PAP i A. PILIPOVIĆ, "CONTRIBUTION TO THE STUDY OF BIOLOGY OF ASH WEEVIL (Stereonychus fraxini De Geer)", Šumarski list, vol.138, br. 7-8, str. 387-395, 2014. [Online]. Dostupno na: https://hrcak.srce.hr/129597. [Citirano: 22.11.2019.]

Sažetak
One of the most harmful defoliating insects on ash species in Southeast Europe is the ash weevil (Stereonychus fraxini De Geer). Frequent occurrence of ash weevil outbreaks initiated research of the biology of this insect. The aim was to study the less known parts of insect biology, such as time of the insects development in natural conditions, fertility and fecundity of females, the duration of the embryonic, larval and pupal development, the amount of food consumed by larvae and adults. Research of insect development in nature conditions were carried out during 2008 and 2009 in the forests Branjevina near the town Odžaci in Serbia. This research was carried out by observation on 15 permanently labeled lower branches, every 6–9 days. Growing of insects in order to determine fertility and fecundity of females, the duration of developmental stages and the amount of food consumed by larvae and adults was carried out in a building with outdoor conditions.
Results are showing that overwintered adults become active from the beginning of the second decade of March until beginning of April. Female fertility was ranged from 30 to 104 eggs, and total fecundity from 58 to 109 eggs. Embryonic development was in range from 9 to 11 days. First larvae were found on leaves in the second decade of April, and the last are observed at the end of June. Ash weevil larvae undergo three larval stages. The entire larval stage development lasts 16–20 days. Larvae consumed average 3.3 cm2 of narrow – leaved ash leaves. Pupal stage lasts from 6 to 8 days. Adults of new generation occur in the same year from the beginning of the second decade of May to the beginning of July, and immediately after eclosion starts with additional feeding for overwintering and each adult feeds on average 2.5 cm2 of narrow leaved ash leaves.

Ključne riječi
Stereonychus fraxini; ash; biology

Hrčak ID: 129597

URI
https://hrcak.srce.hr/129597

[hrvatski]

Posjeta: 684 *