Table 1. Description of the 27 taxa surveyed for their abundance among 22 genotypes in Kuikanniitty and Parikkala field experiments 2002 and 2003.
| 2002 | 2003 | ||||
|---|---|---|---|---|---|
| Kuikanniitty | Parikkala | Kuikanniitty | Parikkala | ||
| Taxa | Identification | Total number of insects/damage counted | |||
| Lepidopteran miners/rollers | |||||
| Gracillaridae 1 (miner) | Phyllonorycter cavella | 282 | 123 | 53 | 34 |
| Gracillaridae 2 (miner) | Phyllonorycter sp. 1 | 61 | 26 | 12 | 4 |
| Gracillaridae 3 (miner) | Phyllonorycter sp. 2 | 19 | 7 | 3 | 3 |
| Gracillaridae 4 (miner) | Parornix betulae | 114 | 42 | 40 | 10 |
| Gracillaridae 5 (miner) | Parornix sp. | 30 | 11 | 20 | 0 |
| Eriocranidae (miner) | Eriocrania sp. | 536 | 2007 | 746 | 2374 |
| Pyralidae (roller or tier) | tentatively Euzophora fuliginosella | 67 | 77 | 135 | 142 |
| Tortricidae (galler) | Epinotia tetraquetrana a | 159 | 136 | 159 | 136 |
| Nepticulidae (miner) | Stigmella sp. 1 | 40 | 53 | 7 | 1 |
| Incurvanidae (miner) | Phylloporia bistrigella | 125 | 6 | 30 | 8 |
| Geometridae (roller or tier) | Rheumaptera hastata | 11 | 6 | 4 | 0 |
| Gelechiidae (roller or tier) | tentatively Teleiodes sp. | 87 | - | 211 | 37 |
| Mircolepidoptera 1 (roller or tier) | 64 | 65 | 188 | 60 | |
| Lepidoptera 1 (roller or tier) | 8 | 2 | 3 | 0 | |
| Lepidoptera 2 (miner) | 12 | - | 7 | 3 | |
| Lepidoptera 3 (roller or tier) | 0 | 1 | 13 | 1 | |
| Lepidoptera 4 (miner) | 142 | 7 | 152 | 82 | |
| Coleopterans | |||||
| Attelabidae (roller) | Deporaus betulae | 62 | 14 | 157 | 133 |
| Curculionidae (miner) | Orchestes rusci | 54 | 127 | 23 | 12 |
| Hymenopterans | |||||
| Tenthredinidae 1 (miner) | tentatively Fenusa pumila | 149 | 109 | 66 | 59 |
| Tenthredinidae 2 (leaf feeder) | Hemichroa australis | 167 | - | 52 | 18 |
| Tenthredinidae 3 (leaf feeder) | Croesus septentrionalis | 108 | 7 | 34 | 0 |
| Cimbicidae (leaf feeder) | Trichiosoma sp. | 6 | 2 | 2 | 0 |
| Dipterans | |||||
| Agromyzidae (miner) 1 | Agromyza alnibetulae | 24 | 11 | 33 | 6 |
| Cecidomyiidae (miner) 1 | 0 | 0 | 1 | 19 | |
| Hemipteran | |||||
| Aphidoidea (sap sucker) | Euceraphis betulae | 996 | 2640 | 40 | 114 |
| Heteropteran | |||||
| Heteropteran 1 (sap sucker) | 92 | - | 284 | 466 | |
a E. tetraquetrana counts represent the damage during the whole lifetime of the saplings (see Materials and methods). Note also that years are not directly comparable because of the changed sampling protocol between years.