About: Characteristics of the ladybird Harmonia axyridis during autumn migration

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Sampling of the migrating ladybird beetle Harmonia axyridis (Coleoptera: Coccinellidae) on building walls was conducted between 5th October and 17th November 2009 in České Budějovice, Czech Republic. Out of 1571 individuals, there were 845 females and 726 males. The sex ratio in particular samples was even more strongly biased, suggesting infection of the ladybird population by male-killing bacteria. Mean female fresh weight was 37.3 mg, mean male weight was 30.8mg. Mean weight significantly decreased during autumn, suggesting shortage of nutrients in later developing beetles. There were 56 individuals (3.6%) of morph conspicua (mean weight 32.7 mg), 156 individuals (9.9%) of morph spectabilis (mean weight 34.4 mg), and 1359 individuals (86.5%) of morph succinea (mean weight 34.3 mg). The proportion of melanic individuals was constant among samples. In later samples there were more individuals of the morph succinea that were heavily spotted. There were 46% of females fertilised before migration, regardless of colour morph. There was a slight decrease of fertilisation rate with later sampling date. Sampling of the migrating ladybird beetle Harmonia axyridis (Coleoptera: Coccinellidae) on building walls was conducted between 5th October and 17th November 2009 in České Budějovice, Czech Republic. Out of 1571 individuals, there were 845 females and 726 males. The sex ratio in particular samples was even more strongly biased, suggesting infection of the ladybird population by male-killing bacteria. Mean female fresh weight was 37.3 mg, mean male weight was 30.8mg. Mean weight significantly decreased during autumn, suggesting shortage of nutrients in later developing beetles. There were 56 individuals (3.6%) of morph conspicua (mean weight 32.7 mg), 156 individuals (9.9%) of morph spectabilis (mean weight 34.4 mg), and 1359 individuals (86.5%) of morph succinea (mean weight 34.3 mg). The proportion of melanic individuals was constant among samples. In later samples there were more individuals of the morph succinea that were heavily spotted. There were 46% of females fertilised before migration, regardless of colour morph. There was a slight decrease of fertilisation rate with later sampling date. (en)
Title	Characteristics of the ladybird Harmonia axyridis during autumn migration Characteristics of the ladybird Harmonia axyridis during autumn migration (en)
skos:prefLabel	Characteristics of the ladybird Harmonia axyridis during autumn migration Characteristics of the ladybird Harmonia axyridis during autumn migration (en)
skos:notation	RIV/60077344:_____/13:00426385!RIV14-AV0-60077344
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(QH82047), S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Nedvěd, Oldřich Awad, Mona
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	65043
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/13:00426385
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	body mass; colour morph; overwintering (en)
http://linked.open.../riv/klicoveSlovo	overwintering colour morph body mass
http://linked.open...ontrolniKodProRIV	[2600B1192ED0]
http://linked.open...v/mistoKonaniAkce	Hluboká nad Vltavou
http://linked.open...i/riv/mistoVydani	Darmstadt
http://linked.open...i/riv/nazevZdroje	IOBC-WPRS Bulletin
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Invasive ladybird Harmonia axyridis - contribution to biological protection of plants or a threat for biodiversity?
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Nedvěd, Oldřich Ungerová, D. Awad, Mona Nedvědová, T.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-09-30 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Federal Research Centre for Cultivated Plants
https://schema.org/isbn	978-92-9067-273-9

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