Martti Varama

Natural Resources Institute Finland — Finland

Environmental Science · Physical Sciences

18h-index1.1kcitations39works0.02yr avg
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Research Topics

Forest Insect Ecology and Management(24), Insect-Plant Interactions and Control(12), Plant and animal studies(10), Insect and Pesticide Research(9), Forest ecology and management(8)

Publications39 total

Sawfly Sex Pheromones: Analysis of Their Impact on Pine Odor Attractive to Egg Parasitoids
Journal of Chemical Ecology·2024Open Access
Palatability of Norway spruce needles infected with Lophodermium piceae to larvae of two sawfly species
Silva Fennica·2023· 2 citedOpen Access
Pine defense against eggs of an herbivorous sawfly is elicited by an annexin‐like protein present in egg‐associated secretion
Plant Cell & Environment·2021· 30 citedOpen Access
Pine defense responses to eggs of an herbivorous sawfly are elicited by an annexin-like protein
2021Open Access
Relevance of resource-indicating key volatiles and habitat odour for insect orientation
Animal Behaviour·2010· 80 cited
The Sex Pheromones of Two Pine Sawfly Species, Gilpinia frutetorum and Gilpinia socia: Chemical Identification, Synthesis and Biological Activity
Zeitschrift für Naturforschung C·2009· 7 citedOpen Access
Induced accumulation of phenolics and sawfly performance in Scots pine in response to previous defoliation
Tree Physiology·2008· 51 citedOpen Access
Unusual mechanisms involved in learning of oviposition-induced host plant odours in an egg parasitoid?
Animal Behaviour·2007· 25 cited
Sex Pheromone of the Pine Sawfly, Gilpinia pallida: Chemical Identification, Synthesis, and Biological Activity
Journal of Chemical Ecology·2006· 20 cited
Effects of group size and pine defence chemicals on Diprionid sawfly survival against ant predation
Oecologia·2006· 33 citedOpen Access
Monitoring the European pine sawfly with pheromone traps in maturing Scots pine stands
Agricultural and Forest Entomology·2006· 15 cited
Insect egg deposition induces defence responses in<i>Pinus sylvestris</i>: characterisation of the elicitor
Journal of Experimental Biology·2005· 97 citedOpen Access
Geographic variation in winter freezing susceptibility in the eggs of the European pine sawfly ( <i>Neodiprion sertifer</i> )
Agricultural and Forest Entomology·2005· 23 cited
Choosy egg parasitoids: Specificity of oviposition‐induced pine volatiles exploited by an egg parasitoid of pine sawflies
Entomologia Experimentalis et Applicata·2005· 53 citedOpen Access
Defoliation by the common pine sawfly (Diprion pini) and subsequent growth reduction in Scots pine: a retrospective approach
Silva Fennica·2005· 24 citedOpen Access
Influence of insects on the diversity of fungi in decaying spruce wood in managed and natural forests
Forest Ecology and Management·2002· 68 cited
Insect egg deposition induces <i>Pinus sylvestris</i> to attract egg parasitoids
Journal of Experimental Biology·2002· 221 cited
Simulated defoliation results in differential chemical resistance against pine sawfly in Scots pine
Jukuri (Natural Resources Institute Finland (Luke))·2002
Tree Mortality, Needle Biomass Recovery and Growth Losses in Scots Pine Following Defoliation by Diprion pini (L.) and Subsequent Attack by Tomicus piniperda (L.)
Scandinavian Journal of Forest Research·2001· 9 cited
Predicting pine sawfly population densities and subsequent defoliation with pheromone traps
Jukuri (Natural Resources Institute Finland (Luke))·2001· 1 citedOpen Access
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Frequent Co-authors

Pekka Niemelä(9), Monika Hilker(8), Erkki Annila(7), Erik Hedenström(6), Olle Anderbrant(5), Kari Heliövaara(5), Bo Långström(4), Ann‐Britt Wassgren(3), Risto A. Väisänen(3), Roland Schröder(2), Roland Mumm(2), Andreas Reinecke(2), Michael Müller(2), Claes Hellqvist(2), Marja Roitto(2), Pasi Rautio(2), Anna Mari Markkola(2), Juha Tuomi(2), J. Fägerhag(2), Håkan Edlund(2)