Page 167 - Proceedings of the State Natural History Museum. Issue 36 (Lviv, 2020)

158 Середюк Г. В.

біотичного різноманіття модельних груп членистоногих Українських Карпат з
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Державний природознавчий музей НАН України, м. Львів
e-mail: anna.serediuk@gmail.com

Serecdiuk G.V.
Altitude and biotope distribution of species of a number of Neuroptera fauna of the Ukrainian
Carpathians and the Transcarpathian lowlands.
The species composition of the net-winged insects fauna, as well as the biotope distribution within
the territory of the Ukrainian Carpathians have been studied.
For the first time, an altitude-band analysis of the distribution of net-winged insects in the
Ukrainian Carpathians was conducted, which showed that the highest species diversity is characterized
by the belt of oak forests, for which 50 species of reticulated net-winged insects are listed. Seven were
found to be original for the belt: Chrysopa hummeli, Chrysopa dorsalis, Chrysopa hungarica,
Chrysopa nigricostata, Sisyra nigra, Distoleon tetragrammicus, Libelloides macaronius. These species
occur only in this zone and are very rare. It was found that the highest species diversity is characterized
by mixed forests and forest edges, for which 39 species were identified, which is 78% of the total number
of species that occur in the belt of oak forests. The highest Magralef index for mixed oak forests
(Quercus, Tilia, Acer, Fraxinus, Ulmus, etc.).
For the belt of beech forests, there are 43 species. It was found that the greatest species diversity
is characterized by forest edges, there are 32 species, which is 74% of the total number of species of
beech belt of the Ukrainian Carpathians, 31 species (72%) in beech forest with admixtures of other
deciduous trees. 29 on the edges and in the old beech forests (virgin forests). The highest index of
species richness according to Margalef falls on the edges.
As part of the spruce forest belt, 24 species were noted, ten of which, namely Wesmaelius mortoni,
Wesmaelius nervosus, Wesmaelius ravus, Wesmaelius tjederi, Wesmaelius concinnus, Wesmaelius
quadrifasciatus, Hemerobius contumax, Hemerobius feumax, Hemerobius fenestih only within the belt
of spruce forests. Margalef's highest index characterizes young spruce forests.
In the subalpine zone, only four species of reticulated net-winged insects were found – Myrmeleon
formicarius, Wesmaelius nervosus, Wesmaelius ravus and Chrysoperla carnea, in the alpine zone –
none.
Keywords: net-winged insects, Neuroptera, Ukrainian Carpathians, Transcarpathian lowland,
fauna.