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Striking 20-year grasshopper declines tied to quality of prairie grasses（图）
20-year grasshopper declines tied quality prairie grasses
2020/3/13
A new study shows that grasshopper numbers have declined more than 30% in a Kansas grassland preserve over the past two decades. The results were published in the journal Proceedings of the Natio...
Spring phenology of cockchafers, Melolontha spp. (Coleoptera: Scarabaeidae), in forests of south-western Germany: results of a 3-year survey on adult emergence, swarming flights, and oogenesis from 2009 to 2011
light trap soil eclector maturation feeding
2015/5/5
Cockchafers are among the most dreaded insect pests in many European countries, causing economic
losses in agriculture, horticulture and forestry. In forests of south-western Germany, populations of...
Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) – Part 1. Last year’s (parent) beetles
host species hibernation feeding
2015/3/6
In Moravia in 1995 to 2006, the abundant occurrence of Galerucella lineola (F.) was used to study its occurrence, biology and harmfulness. An “alder” biological form was studied in Alnus glutinosa and...
Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) – Part 2. Larvae and this year’s beetles
generation conditions natural enemies harmfulness
2015/3/6
The second part of the paper deals with the development and harmfulness of larvae and maturation feeding of this year’s beetles of Galerucella lineola (F.) before leaving for winter habitats. Embryoge...
Feeding ecology of pine shoot beetles (Tomicus spp.) in tree crowns of Scots pine (Pinus sylvestris L.) stands under one-year outbreak
Tomicus piniperda T. minor Pinus sylvestris
2015/3/5
Studies were carried out in southern Poland during 2002–2006 in Scots pine stands under the effect of an outbreak of pine shoot beetles. The qualitative aspects of beetle feeding in tree crowns, studi...
The fire history of a 416-year-old western larch tree in southeastern British Columbia
fire history historical benchmark master chronology restoration Rocky Mountain Trench
2009/1/9
The fire history obtained from pre-settlement fire-scarred trees provides useful benchmarks for the
restoration of dry interior, fire-dependent forest ecosystems. In the Rocky Mountain Trench of sout...
Two-year field performance of lodgepole pine seedlings：Effects of container type, mycorrhizal fungal inoculants, and site preparation
container type Copperblock™ AirBlock™ Styroblock™ ectomycorrhizae inoculation lodgepole
2009/1/8
Interior lodgepole pine (Pinus contorta var. latifolia) seedlings were grown in Styroblocks™, Copperblocks™,
or AirBlocks™, and inoculated with Rhizopogon rubescens or Hebeloma long...