geoscience.net logo
+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

Ichneumon flies of the genus Cratichneumon (Hymenoptera, Ichneumonidae) in the forest zone. 2. Peculiarities of ecology. Use of ecological indices for specification of species status


, : Ichneumon flies of the genus Cratichneumon (Hymenoptera, Ichneumonidae) in the forest zone. 2. Peculiarities of ecology. Use of ecological indices for specification of species status. Zoologicheskii Zhurnal 82(6): 677-686

The 20-year investigations showed that in the forest zone, the share of the genus Cratichneumon was more than 10% of the total abundance of Ichneumonidae. The data on the abundance, seasonal dynamics, and biotopic distribution for each of 18 species are given. The majority of the species (15) with an abundance of 95% is characteristic of forest ecosystems, coniferous stands in particular. Most of the representatives of the genus has long periods of seasonal activity; their maximum abundance is recorded in June. The biotopic distribution, multiyear and seasonal dynamics of activity in Cratichneumon nigritarius (Grav.) and C. pratincola Heinrich is an evidence of belonging these species to the species C. viator (Scopoli) (sensu Rasnitsyn, 1981).

US$29.90


Other references

Herold, B.; Oberbarnscheidt, B.; Jakovac, F.; Kovacs, L.; Borsa, B., 2002: Mathematical and statistical modelling of impact symptoms and application to tomato. Fruits from tomato cultivars Ispan, Jubileum, Pollux, UNO and Heinz 9706 were evaluated for resistance to impact damage. Drop tests were performed using various drop heights and distances. The results were evaluated using mathematical and statisti...

Todaro G.J.; Marquardt H.; D.L.rco J.E.; Twardzik D.R., 1982: Structural homology between mouse rat and human transforming growth factors. Journal of Cellular Biochemistry Supplement (6): 115

Wheeler K.T.; Linn J.D., 1974: Effect of rotor speed and radius on sedimentation of large single stranded dna molecules. Federation Proceedings 33(5 PART 2): 1482

Dubansky, B.; Whitaker, B.; Galvez, F., 2011: Influence of cortisol on the attachment and metamorphosis of larval Utterbackia imbecillis on bluegill sunfish (Lepomis macrochirus). The larvae of unionid freshwater mussels (i.e., glochidia) undergo a parasitic stage requiring their attachment to the external epithelia of fish hosts, where they metamorphose into free-living juveniles. We describe the physiological effects in b...

You, S-Ping.; Zhao, J.; Ma, L.; Tudimat, M.; Zhang, S-Lei.; Liu, T., 2016: Preventive effects of phenylethanol glycosides from Cistanche tubulosa on bovine serum albumin-induced hepatic fibrosis in rats. Cistanche tubulosa is a traditional Chinese herbal medicine that is widely used for regulating immunity. Phenyl ethanol glycosides (CPhGs) from this plant are the primarily efficacious materials. This aim of this study was to evaluate the preventi...

Hasanova, M.I.; Tsylbulkin, A.P.; Rogosina, G.N., 1996: Pyrimidinone derivatives in allergic asthma treatment. Allergy (Copenhagen) 51(SUPPL 32): 63

Jacquez, F.; Ghantous, S., 2013: Community-partnered needs assessment: a strategy to teach college students about health disparities. Partnering with communities to provide service-learning opportunities for undergraduates can be an effective strategy to teach college students about health disparities. In the current study, undergraduates partnered with a public K-8 school to co...

Smith, A.; Rocconi, R.P.; Finan, M.A., 2012: Signs of aging or the vague symptoms of ovarian cancer?. To explore the feelings that occurred at the same time as the vague physical symptoms of ovarian cancer. Qualitative, descriptive methodology. University cancer institute in southeastern United States. 24 women (ages 39-78) diagnosed with ovarian...

Bradley, A.; Kato, M.; Thibos, L.N., 1995: Statistical reliability of visual acuity and contrast sensitivity changes that accompany image defocus. Investigative Ophthalmology & Visual Science 36(4): S633

Navrátil, Táš.; Šimeček, M.; Shanley, J.B.; Rohovec, J.; Hojdová, M.; Houška, J., 2017: The history of mercury pollution near the Spolana chlor-alkali plant (Neratovice, Czech Republic) as recorded by Scots pine tree rings and other bioindicators. We assessed >100years of mercury (Hg) pollution recorded in the tree rings of Scots Pine near a Czech chlor-alkali plant operating since 1941. Hg concentrations in tree rings increased with the launching of plant operations and decreased when H...