Geographical Distribution and Long-Term Monitoring of Physokermes hellenicus (Hemiptera: Coccomorpha: Coccidae) on Abies spp. (Pinales: Pinaceae) in Greece

The scale Physokermes hellenicus (Kozár & Gounari) (Hemiptera: Coccidae) has been recently included in the Greek entomofauna as a beneficial honeydew species. However, there are no adequate data about its geographical distribution and degree of infestation. Therefore, a study...

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Autores principales:	Iosif Papanastasiou, Nickolas G. Kavallieratos, Georgios Th. Papadoulis, Christina Emmanouil, Nikolaos G. Emmanouel
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Physokermes hellenicus</i> latitudinal distribution <i>Abies cephalonica</i> abundance Science Q
Acceso en línea:	https://doaj.org/article/1391c49d09624bc2b2656c56a7b7632c
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spelling	oai:doaj.org-article:1391c49d09624bc2b2656c56a7b7632c2021-11-25T17:59:29ZGeographical Distribution and Long-Term Monitoring of <i>Physokermes hellenicus</i> (Hemiptera: Coccomorpha: Coccidae) on <i>Abies</i> spp. (Pinales: Pinaceae) in Greece10.3390/insects121110012075-4450https://doaj.org/article/1391c49d09624bc2b2656c56a7b7632c2021-11-01T00:00:00Zhttps://www.mdpi.com/2075-4450/12/11/1001https://doaj.org/toc/2075-4450The scale <i>Physokermes hellenicus</i> (Kozár & Gounari) (Hemiptera: Coccidae) has been recently included in the Greek entomofauna as a beneficial honeydew species. However, there are no adequate data about its geographical distribution and degree of infestation. Therefore, a study was conducted to examine these parameters in fifteen mountains of Greece. Furthermore, the monitoring of <i>P. hellenicus</i> infestation was carried out over a six-year period with regard to natural enemies and honeydew presence at three mountains (i.e., Menalon, Parnis and Tymfristos) that are traditional honeybee foraging areas. An extensive geographical distribution of the scale was negatively correlated with the latitude. Over the period of the study, <i>P. hellenicus</i> infestation exhibited a decreasing trend in the three mountains, which was more obvious at Menalon. The abundance of natural enemies of <i>P. hellenicus</i>, their effectiveness on honeydew excretion and the fecundity of <i>P. hellenicus</i> are discussed. The reduction in the honey produced at the Menalon mountain (a protected designation of origin product) could be attributed to the reduced presence of <i>P. hellenicus</i> in the fir forest. Among the other identified arthropods, <i>Dreyfusia nordmannianae</i> Eckstein (Hemiptera: Adelgidae) is reported for the first time infesting <i>Abies cephalonica</i> (Pinales: Pinaceae) in Greece. Furthermore, this species is reported for the first time as a co-parasite with <i>P. hellenicus</i> on <i>A. cephalonica</i> in Greece. Since <i>D. nordmannianae</i> is a serious pest, additional research is needed to determine its status in Greek fir forest ecosystems.Iosif PapanastasiouNickolas G. KavallieratosGeorgios Th. PapadoulisChristina EmmanouilNikolaos G. EmmanouelMDPI AGarticle<i>Physokermes hellenicus</i>latitudinal distribution<i>Abies cephalonica</i>abundanceScienceQENInsects, Vol 12, Iss 1001, p 1001 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Physokermes hellenicus</i> latitudinal distribution <i>Abies cephalonica</i> abundance Science Q
spellingShingle	<i>Physokermes hellenicus</i> latitudinal distribution <i>Abies cephalonica</i> abundance Science Q Iosif Papanastasiou Nickolas G. Kavallieratos Georgios Th. Papadoulis Christina Emmanouil Nikolaos G. Emmanouel Geographical Distribution and Long-Term Monitoring of <i>Physokermes hellenicus</i> (Hemiptera: Coccomorpha: Coccidae) on <i>Abies</i> spp. (Pinales: Pinaceae) in Greece
description	The scale <i>Physokermes hellenicus</i> (Kozár & Gounari) (Hemiptera: Coccidae) has been recently included in the Greek entomofauna as a beneficial honeydew species. However, there are no adequate data about its geographical distribution and degree of infestation. Therefore, a study was conducted to examine these parameters in fifteen mountains of Greece. Furthermore, the monitoring of <i>P. hellenicus</i> infestation was carried out over a six-year period with regard to natural enemies and honeydew presence at three mountains (i.e., Menalon, Parnis and Tymfristos) that are traditional honeybee foraging areas. An extensive geographical distribution of the scale was negatively correlated with the latitude. Over the period of the study, <i>P. hellenicus</i> infestation exhibited a decreasing trend in the three mountains, which was more obvious at Menalon. The abundance of natural enemies of <i>P. hellenicus</i>, their effectiveness on honeydew excretion and the fecundity of <i>P. hellenicus</i> are discussed. The reduction in the honey produced at the Menalon mountain (a protected designation of origin product) could be attributed to the reduced presence of <i>P. hellenicus</i> in the fir forest. Among the other identified arthropods, <i>Dreyfusia nordmannianae</i> Eckstein (Hemiptera: Adelgidae) is reported for the first time infesting <i>Abies cephalonica</i> (Pinales: Pinaceae) in Greece. Furthermore, this species is reported for the first time as a co-parasite with <i>P. hellenicus</i> on <i>A. cephalonica</i> in Greece. Since <i>D. nordmannianae</i> is a serious pest, additional research is needed to determine its status in Greek fir forest ecosystems.
format	article
author	Iosif Papanastasiou Nickolas G. Kavallieratos Georgios Th. Papadoulis Christina Emmanouil Nikolaos G. Emmanouel
author_facet	Iosif Papanastasiou Nickolas G. Kavallieratos Georgios Th. Papadoulis Christina Emmanouil Nikolaos G. Emmanouel
author_sort	Iosif Papanastasiou
title	Geographical Distribution and Long-Term Monitoring of <i>Physokermes hellenicus</i> (Hemiptera: Coccomorpha: Coccidae) on <i>Abies</i> spp. (Pinales: Pinaceae) in Greece
title_short	Geographical Distribution and Long-Term Monitoring of <i>Physokermes hellenicus</i> (Hemiptera: Coccomorpha: Coccidae) on <i>Abies</i> spp. (Pinales: Pinaceae) in Greece
title_full	Geographical Distribution and Long-Term Monitoring of <i>Physokermes hellenicus</i> (Hemiptera: Coccomorpha: Coccidae) on <i>Abies</i> spp. (Pinales: Pinaceae) in Greece
title_fullStr	Geographical Distribution and Long-Term Monitoring of <i>Physokermes hellenicus</i> (Hemiptera: Coccomorpha: Coccidae) on <i>Abies</i> spp. (Pinales: Pinaceae) in Greece
title_full_unstemmed	Geographical Distribution and Long-Term Monitoring of <i>Physokermes hellenicus</i> (Hemiptera: Coccomorpha: Coccidae) on <i>Abies</i> spp. (Pinales: Pinaceae) in Greece
title_sort	geographical distribution and long-term monitoring of <i>physokermes hellenicus</i> (hemiptera: coccomorpha: coccidae) on <i>abies</i> spp. (pinales: pinaceae) in greece
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1391c49d09624bc2b2656c56a7b7632c
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Geographical Distribution and Long-Term Monitoring of <i>Physokermes hellenicus</i> (Hemiptera: Coccomorpha: Coccidae) on <i>Abies</i> spp. (Pinales: Pinaceae) in Greece

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