Pardosa alacris (C. L. Koch, 1833) [slíďák hájový]

Kvadráty: 7154 6471 6458 7351 6050 6071 6048 5949 6749 6450 7169 6049 5948 5850 6051 5951 6143 6159 7166 7065 7266 6868 7151 7152 7051 7165 5352 6963 6964 5653 5453 6864 5450 7159 7060 5857 5651 6152 5552 6765 6672 6172 6865 5553 5754 5954 6161 6663 6162 6660 5349 5655 5854 5548 7160 7161 6869 7168 6863 6650 7367 6666 6153 6461 6151 6252 6052 6549 6451 5945 5752 6544 5350 5749

	Nálezy podle období
	Lycosidae	0-1900	1901-1950	1951-2000	2001-2018
Pardosa alacris (C. L. Koch, 1833) Není ohrožený			236x	135x	371x

Pardosa alacris (C. L. Koch, 1833)

České jméno	slíďák hájový
Stupeň ohrožení	Není ohrožený
Nálezy	371 nálezů, 74 kvadrátů
První nález	1860, F. Prach, Prach 1860
Poslední nález	2013 , Robert Tropek
Areál rozšíření	European - Me.? (Greece
Fytogeografická oblast	Thermo, (Meso)
Původnost stanovišť	climax, semi-natural
Vlhkost stanovišť	dry
Stratum	Ground layer
Osvětlení stanovišť	partly shaded
Hojnost výskytu	scarce
Nadm. výška	200-500

Literatura

Synergistic effects of glyphosate formulation herbicide and tank-mixing adjuvants on Pardosa spiders.

Glyphosate-based herbicides are the world’s most consumed agrochemicals, and they are commonly used in various agroecosystems, including forests, as well as in urban zones and gardens. These herbicides are sold as formulations containing adjuvants. Other tank-mixing adjuvants (most often surfactants) are commonly added to these formulations prior to application. According to the manufacturers of agrochemicals, such tank mixes (as these are known in agronomic and horticultural practice) have modified properties and perform better than do the herbicides as used alone. The effects of these tank mixes on the environment and on beneficial arthropods are almost unknown. Therefore, we studied whether a herbicide formulation mixed with adjuvant has modified effects on one of the most common genera of ground-dwelling wolf spiders vis- a-vis the herbicide formulation and adjuvants themselves. Specifically, we studied the synergistic effect in the laboratory on the predatory activity (represented by the number of killed flies) of wolf spiders in the genus Pardosa after direct treatment using the glyphosate-based herbicide formulation Roundup klasik Pro ® , Roundup klasik Pro ® in a mixture with the surfactant Wetcit ® , Roundup klasik Pro ® in a mixture with the surfactant Agrovital ® , and the surfactants alone. We found that pure surfactants as well as herbicide-and-surfactants tank mixes significantly decrease the predatory activity of Pardosa spiders in the short term even as Roundup klasik Pro ® did not itself have any such effect. Our results support the hypothesis that plant protection tank mixes may have modified effect on beneficial arthropods as compared to herbicide formulations alone. Therefore, testing of pesticide tank mixes is highly important, because it is these tank mixes that are actually applied to the environment.

Epigeic Spiders from Lowland Oak Woodlands in the South Moravia Region (Czech Republic).

This paper presents spider faunistics from abandoned coppice oak forest stands located along the South Moravia region. Spiders were collected from May to July 2012 by pitfall trapping at eight different localities. We collected 1945 adult spiders representing 20 families, 53 genera, and 90 species. More than one-third of all the species are known to be xerothermophilous with ecological restrictions to open and partly shaded habitats such as forest-steppe and sparse forests which belong to endangered habitats along central Europe. The most abundant species were Pardosa alacris, Pardosa lugubris and Arctosa lutetiana from the family Lycosidae. In the surveyed area, 24 species were found listed in the Red List of Threatened Species in the Czech Republic (CR – 1 species, EN – 2 species, VU – 15 species, LC – 6 species). In general, we discovered a substantially diversified spider community with a large presence of rare and endangered species characteristic for open and xeric habitats.

Fotografie

Pardosa alacris
© Rudolf Macek

Statistiky

Dle měsíce v roce

Dle nadmořské výšky

Dle metody sběru (206 použitých nálezů)

Pardosa alacris (C. L. Koch, 1833) ES	Samci	Samice	Mláďata	Nálezy
Zemní past	3484	231	78	140
Individuální sběr	276	19	0	51
Prosev	19	7	0	7
Smyk	41	0	0	6
Sklepávání	2	0	0	2
	Samci	Samice	Mláďata	Nálezy

Dle biotopu (140 použitých nálezů)

Pardosa alacris (C. L. Koch, 1833) ES	Samci	Samice	Mláďata	Nálezy
suché doubravy	1	0	0	1
dubohabřiny	2	0	0	1
Xerotermy na jiných podkladech	116	40	1	27
Cesty, silnice	81	78	0	3
Skály nižších a středních výšek	14	6	0	9
Lesní okraje	64	0	0	10
Reliktní bory na skalních podkladech	63	18	0	8
Křoviny a skupiny stromů mimo les	0	5	1	2
Dubo-habrové háje a acidofilní doubravy	164	73	76	18
Květnaté bučiny	8	0	0	4
Bažinné olšiny	2	0	0	2
Kamenité sutě	13	15	0	8
Bylinný lem lesa	1	0	0	1
Skalní lesostepi, šípákové a teplomilné doubravy	64	1	0	4
Lesy	43	0	0	4
Suťové a roklinové lesy	5	0	0	4
Vřesoviště se smilkou, vřesem, borůvkou	13	0	0	5
Xerotermní travinobylinná společenstva	2	0	0	2
Kamenolom	37	0	0	9
Přirozené lesy	7	0	0	5
Skalní stepi na vápencových podkladech	6	0	0	3
Horské buko-jedlové lesy	2	0	0	1
Lužní lesy	2	0	0	2
Haldy a výsypky	3	1	0	1
Smrkové monokultury	0	1	0	1
Lesní cesta	1	0	0	1
Lesní paseky	13	0	0	1
Rákosiny, orobincové porosty	1	0	0	1
Pískovna	2	0	0	1
Pole	8	0	0	1
	Samci	Samice	Mláďata	Nálezy