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Sawflies (Hymenoptera: Symphyta) in the northeast of the Czech Republic with special regard to spruce forests
Malaise trap faunistics host plants abundance
2015/5/18
Sawflies were collected in the northeast of the Czech Republic using Townes type Malaise traps. Traps
were placed in eleven young Norway spruce (Picea abies) forests during the period from 1998 to 1...
Ecological and morphological notes on Notopygus bicarinatus (Hymenoptera: Ichneumonidae)
Bohemia Cephalcia lariciphila Czech Republic ecology morphometry new host new record Notopygus bicarinatus
2015/3/27
Notopygus bicarinatus Teunissen, 1953 is parasitoid of web-spinning sawflies of the genus Cephalcia. This species was found near Větrny Jeníkov. The first record from Bohemia including Cephalcia laric...
Ecological requirements of some ant species of the genus Formica (Hymenoptera, Formicidae) in spruce forests
Formica ecological requirements spruce forests
2015/3/17
Five types of stand stages (clearings-samplings, plantations, thinnings, thickets, and mature forests) of spruce forests were examined at the foothills of the Jizerské hory Mts. in summer 2005 and 200...
Effects of Verticillium lecanii (Zimm.) Viegas on Toxoptera citricida Kirkaldy (Homoptera: Aphididae) and its Parasitoid Lysiphlebus testaceipes Cresson (Hymenoptera: Braconidae)
brown citrus aphid alate aphids
2015/3/9
The preponderance of susceptible sour orange (Citrus aurantium L.) rootstock has facilitated the spread of
Citrus tristeza virus (CTV) in Trinidad and Tobago. CTV is transmitted by the brown citrus ...
Sawflies (Hymenoptera: Symphyta) in the northeast of the Czech Republic with special regard to spruce forests
Malaise trap faunistics host plants abundance
2015/5/6
Sawflies were collected in the northeast of the Czech Republic using Townes type Malaise traps. Traps were placed in eleven young Norway spruce (Picea abies) forests during the period from 1998 to 199...
Correlation between flight activity of sawflies Pristiphora abietina, P. saxesenii, P. gerula and P. leucopodia (Hymenoptera: Tenthredinidae) and spruce (Picea abies) bud breaking in Eastern Czech Republic
flight activity spruce bud breaking correlation
2015/3/6
The flight activity of spruce tenthredinids were studied using Malaise traps and yellow sticky boards in young spruce forests in the Nízky Jeseník Hills during years 2005 and 2006. In most cases, stud...
Web-spinning sawflies of the genus Cephalcia Panzer (Hymenoptera, Pamphiliidae) in the Picea abies forests of the Beskidy Mountains (Poland)
web-spinning sawfly Picea abies Cephalcia
2015/3/6
This article presents a review of data and results of investigations from the period 1958–2006 regarding the occurrence of insects of the genus Cephalcia Panzer (Hymenoptera, Pamphiliidae) in Norway s...
On the occurrence of web-spinning sawflies of the genus Cephalcia (Hymenoptera, Pamphiliidae) in the Czech Republic
clonal test linear mixed models spatial analysis
2015/3/6
A 6-year-old clonal trial with 13 clones of wild cherry (Prunus avium L.) was evaluated during the summer of 2004 at 6 different sites in the Czech Republic. Observed traits were the stem height, stem...
Parasitic Hymenoptera associated with Thecodiplosis brachyntera (Diptera: Cecidomyiidae) on the genus Pinus (Pinaceae) in the Czech Republic
Eulophidae Torymidae Encyrtidae
2015/3/6
Aprostocetus micantulus (Thomson, 1878) (Chalcidoidea: Eulophidae), Torymus heyeri Wachtl, 1833 (Chalcidoidea: Torymidae), Pseudencyrtus idmon (Walker, 1848) (Chalcidoidea: Encyrtidae) and Platy-gaste...
The occurrence of Megastigmus pictus (Förster) (Hymenoptera: Torymidae) and Resseliella skuhravyorum Skrzypcz. (Diptera: Cecidomyiidae) in the Chełmowa Góra forest reserve of the Świętokrzyski National Park (Poland)
insects infesting cones and seeds larch Ś wię tokrzyski National Park
2015/3/3
A study conducted in 1999–2000 in 6 compartments of the Chełmowa Góra forest reserve, situated in
the Świętokrzyskie Mountains, was aimed at harmful insects infesting cones and seeds ...
Yellow sticky boards: a possible way of monitoring little spruce sawfly (Pristiphora abietina) (Hymenoptera: Tenthredinidae)
Pristiphora abietina ways of monitoring yellow sticky boards
2015/3/3
Several methods of Pristiphora abietina adults catching were compared (Malaise trap, white and yellow
sticky boards, sweeping). The yellow sticky boards are handy in the field, and under the h...
Effect of Temperature on the Developmental Rate, Longevity and Parasitism of Aphidius ervi Haliday (Hymenoptera: Aphidiidae)
Aphidius ervi development time parasitism
2015/3/2
Temperature-dependent development, longevity and parasitism of the parasitoid Aphidius ervi Haliday was
measured at four constant temperatures between 15°C and 30°C using Aphis pomi de Geer as host....
Logistic regression approach to the prediction of tree defoliation caused by sawflies (Hymenoptera: Symphyta)
Cephalcia lariciphila soil samples Tomostethus nigritus yellow sticky boards tree defoliation logistic regression
2015/2/2
A relationship between the abundance of phytophagous insects assessed from soil samples (in the case of Cephalcia lariciphila) or yellow sticky boards (in the case of T. nigritus) and percentage of de...
Infestation of poppy cultures with the poppy stem gall wasp (Timaspis papaveris) Cynipidae: Hymenoptera
Timaspis papaveris Kiefer poppy culture damage mortality crop infestation parasitisation
2015/2/2
The mortality of pupae in stems lying on the ground during hibernation was 51.7% in 2003. The emergence of adults in 2003 and 2004 was monitored from late April to early July by photoeclectors placed ...
Notes to distribution and seasonal activity of spruce diprionids (Hymenoptera: Diprionidae) in the eastern part of the Czech Republic
Gilpinia Diprionidae Malaise trap spruce forests faunistics ecology Czech Republic
2015/2/2
A study of diprionids associated with spruce was done at 31 sites of the eastern part of the Czech Republic in 1988–2003. In total 45 specimens belonging to Gilpinia abieticola (6 specimens), G. hercy...