Project

Leptoglossus occidentalis

Goal: Biology, ecology and distribution of Leptoglossus occidentalis Heidemann, 1910 - especially as an invasive species.

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Project log

Torsten van der Heyden
added a research item
The first records of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae) for Latvia are reported. Additional information on the findings is given.
Torsten van der Heyden
added a research item
The first records of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini) for Estonia and Belarus are reported. Information on the distribution of the species in Europe, in particular in its northern part, is summarized.
Torsten van der Heyden
added a research item
The first record of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini) from Andorra is presented. The European distribution of the species is summarized.
Torsten van der Heyden
added a research item
The first reports of Leptoglossus occidentalis in Brazil and South Africa are presented. The significance of these new records is discussed.
Torsten van der Heyden
added a research item
The first records of Leptoglossus occidentalis for Finland are reported. Information on the distribution of the species in Europe, in particular in its northern part, is summarized.
Torsten van der Heyden
added 2 research items
The first record of Leptoglossus occidentalis Heidemann, 1910 in Algeria is reported. Information on the known distribution of the species, especially in the Mediterranean Region, is summarized.
The western conifer seed bug, Leptoglossus occidentalis Heidemann, 1910, an invasive, originally Nearctic species, is reported from the island of Cyprus for the first time. The new record is discussed.
Torsten van der Heyden
added a research item
Information on recent records of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae) on Formentera and Menorca (Balearic Islands) is provided.
Torsten van der Heyden
added a research item
The western conifer seed bug, Leptoglossus occidentalis, is an alien invasive species of North American origin. Leptoglossus occidentalis was recorded for the first time in Arsoun-Metn, Lebanon in 2015. Adults and nymphs of L. occidentalis were collected by the authors from various locations in Lebanon and observed on two species of pine, Pinus pinea and Pinus brutia, on Juniperus excelsa and even on Cedrus libani. This could indicate its successful integration in the country and its presence on many coniferous tree species. Studies to investigate the behaviour and the economic impact of this alien insect species in Lebanon are recommended.
Torsten van der Heyden
added a research item
Information on the distribution of Leptoglossus occidentalis in Europe is summarized. The presence of the species in Ireland is confirmed. Records of L. occidentalis on the Isle of Man are reported.
Torsten van der Heyden
added 7 research items
Information on the hibernation of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae) is provided. The presence of the species in Morocco is confirmed.
The arrival of Leptoglossus occidentalis Heidemann, 1910 (Heteroptera: Coreidae) on the Greek island of Crete is reported. Additional information on the distribution and the ecology of this species is given.
The first record of Leptoglossus occidentalis from Costa Rica is reported. Additional information on the distribution of the species is given. Its possible spreading in Latin America is discussed. This is the sixteenth part of a series of publications about different Heteroptera in Costa Rica.
Torsten van der Heyden
added a project goal
Biology, ecology and distribution of Leptoglossus occidentalis Heidemann, 1910 - especially as an invasive species.