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Contents - Proceedings of the Netherlands Entomological Society Meeting 10

Brakefield, P.M. 1999.
How butterfly eyespot patterns can contribute to understanding evolution (p. 3-10 )

Oosterhout, C. van & P.M. Brakefield 1999.
A comparison between the effects of inbreeding on polygenic traits and molecular markers (p. 11-16 )

Kooi, R.E. & L.E.L. Raijmann 1999.
A host shift of Yponomeuta padellus to Sorbus aucuparia in the Netherlands (p. 17-22 )

Beukeboom, L.W., G. Driessen, L. Luckerhoff, C. Bernstein, L. Lapchin & J.J.M. van Alphen 1999.
Distribution and relatedness of sexual and asexual Venturia canescens (Hymenoptera) (p. 23-28 )

Schilthuizen, M. & R. Stouthamer 1999.
Can selfish symbionts drive parapatric speciation? (p. 29-35 )

Zijlstra, W.G., B.J. Zwaan & P.M. Brakefield 1999.
Effects of delayed mating on reproductive traits in Bicyclus anynana (p. 37-42 )

Kooi, R.E. & P.M. Brakefield 1999.
Effects of larval food on the reaction norm for wing pattern polyphenism in the tropical butterfly Bicyclus anynana (p. 43-48 )

Jong, R. de 1999.
Phylogeny and foodplant choice in butterflies (p. 49-56 )

Boezem, J.J.N. van den, S.A. Ulenberg & T.A. van Beek 1999.
Sexual communication in Dichrorampha (Lepidoptera, Tortricidae) (p. 57-62 )

Pollet, M. & P. Grootaert 1999.
Dolichopodidae (Diptera): poorly known but excellent agents for site quality assessment and nature conservation (p. 63-68 )

Tarnis, W.L.M. & K.J. Canters 1999.
Comparison of catching methods in field margins (p. 69-74 )

Tarnis, W.L.M. & K.J. Canters 1999.
A quick scan method for sinc-source analysis of insect popuIations in field margins (p. 75-78 )

Bleeker, M.A.K. & H.M. Smid 1999.
3D-analysis of the antennal lobe of Cotesia glomerata and Cotesia rubecula with confocal laser scanning microscopy (p. 79-84 )

Broek, I.V.F. van den, C.J. Den Otter & J.N.C. Van der Pers 1999.
Actometers for evaluating mosquito activity: daily activity and stimulus-induced activation (p. 85-90 )

Braks, M.A.H., C.J.M. Koenraadt, O.J.T. Briët & W. Takken 1999.
Behavioral responses of Culex quinquefasciatus (Diptera: Culicidae) to human odour, carbon dioxide and lactic acid (p. 91-97 )

Smallegange, R.C., F.J. Kelling & C.J. den Otter 1999.
Behavioral and electrophysiological responses of houseflies to attractive odours (p. 99-104 )

Greve, G.D., H.G. van der Geest, S.C. Stuijfzand, A. Kureck & M.H.S. Kraak 1999.
Development and validation of an ecotoxicity test using field collected eggs of the riverine mayfly Ephoron virgo (p. 105-110 )

Leslie, H.A. T.I. Pavluk, A. bij de Vaate & M.H.S. Kraak 1999.
Caddisflies, chromium contamination and the triad assessment approach in a Russian river (p. 111-116 )

Nijboer, R. 1999.
Insects in the rivers Rhine and Meuse throughout the twentieth century (p. 117-123 )

Sütterlin, S. & R. Bûtot 1999.
Plant resistance to Frankliniella occidentalis in sweet pepper and cucumber cultivars: a test method (p. 125-130 )

Kogel, W.J. de, E.H. Koschier & J.H. Visser 1999.
Y -tube olfactometer to determine the attractiveness of plant volatiles to western flower tips (p. 131-135 )

Fung, S.Y., I. Kuiper, R.P.T. Bûtot, W.J. de Kogel & E. van der Meijden 1999.
Thrips and chrysanthemum: what is the influence of host plant substances (p. 137-142 )

Loomans, A.J.M. & A. Heijboer 1999.
Franklinothrips vespiformis (Crawford): a polyphagous predator preying on thrips eggs (p. 143-150 )

Steene, F. Van de, G. Vulsteke & D. Callewaert 1999.
The occurrance of the pea moth, Laspeyresia nigricana (F.) in pea crops in Belgium (p. 151-154 )

Pol-van Dasselaar, A. van den, H.J. Vlug, G. Andrë, C. van der Wel, J. Hesselink & B. Wouters 1999.
Economic threshold for leatherjackets (Tipula spp.) in grassland (p. 155-160 )

Roelofs, P.F.M.M. 1999.
Biological fly control in stables with pigs (p. 161-162 )

Kwak, M.M. & L.F.M. Fresco 1999.
Visual and olfactory flower discrimination by bumblebees: experiments with natural and artificial flowers (p. 163-168 )

Tjallingi, W.F. & A. Cherqui 1999.
Aphid saliva and aphid-plant interactions (p. 169-174 )

Hemerik, L. & R. de Fluiter 1999.
No preference of the wireworm, Agriotes lineatus (L.), for four grass species (p. 175-181 )

Caballero Garcia, C. & N.J. de Boer 1999.
The effect of Senecio jacobaea alkaloids on the generalist herbivore Spodoptera exigua (p. 183-186 )

Augustijn, C.H. 1999.
Flight activity and travel duration are influenced by changes in temperature and colonysize in honey bee colonies (p. 187-192 )

Steen, J.van der 1999.
Osmia rufa L. for the pollination of apples (p. 193-194 )

Mohammed, F. & C.K. Starr 1999.
Comparative foraging of the sympatric stingless bees Trigona nigra and Partamona nigrior (Apidae: Meliponini) (p. 195-202 )

Dijkstra, M.B., C.J.M. Koenraadt, E.J. Slaa & M.J. Sommeijer 1999.
Nest founding attempts by Tetragona dorsalis ziegleri Friese and Tetragonisca angustula Illiger (Apidae, Meliponinae) (p. 203-208 )