Larinus berti sp. n. (Coleoptera, Curculionidae, Lixinae) from North Africa

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Abstract

A new species, Larinus berti sp. n. is described from Morocco and assigned to subgenus Cryphopus Petri, 1907 ( Curculionidae: Lixinae; Lixini). Diagnostic characters of the new species are large size, elongate-ovate body, bisulcate sub-quadrangular rostrum, triangularly raised dorsum of rostrum, flat subgena and submentum, Y-shaped apodeme of sternite VIII of female and thin nodulus of spermatheca.

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Natural History Studies for the Preliminary Evaluation of Larinus filiformis (Coleoptera Curculionidae) as a Prospective Biological Control Agent of Yellow Starthistle

L Gültekin, M Cristofaro, C. Tronci … (2008)

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Natural history studies for the preliminary evaluation of Larinus filiformis (Coleoptera: Curculionidae) as a prospective biological control agent of yellow starthistle.

L Gültekin, C Tronci, M. G. Cristofaro … (2008)

We studied the life history, geographic distribution, behavior, and ecology of Larinus filiformis Petri (Coleoptera: Curculionidae) in its native range to determine whether it is worthy of further evaluation as a classical biological control agent of yellow starthistle, Centaurea solstitialis (Asteraceae: Cardueae). Larinus filiformis occurs in Armenia, Azerbaijan, Turkey, and Bulgaria and has been reared only from C. solstitialis. At field sites in central and eastern Turkey, adults were well synchronized with the plant, being active from mid-May to late July and ovipositing in capitula (flowerheads) of C. solstitialis from mid-June to mid-July. Larvae destroy all the seeds in a capitulum. The insect is univoltine in Turkey, and adults hibernate from mid-September to mid-May. In the spring, before adults begin ovipositing, they feed on the immature flower buds of C. solstitialis, causing them to die. The weevil destroyed 25-75% of capitula at natural field sites, depending on the sample date. Preliminary host specificity experiments on adult feeding indicate that the weevil seems to be restricted to a relatively small number of plants within the Cardueae. Approximately 57% of larvae or pupae collected late in the summer were parasitized by hymenopterans [Bracon urinator, B. tshitsherini (Braconidae) and Exeristes roborator (Ichneumonidae), Aprostocetus sp. (Eulophidae), and unidentified species of Eurytomidae and Ormyridae]. This weevil may be a better choice than the other capitula insects already established in the United States, particularly in colder parts of the plant's range.

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: URI : http://zoobank.org/BF88C4D6-CD27-46DF-AF01-C0DC8A7C5B5B

: URI : http://zoobank.org/EA3695DA-2C2E-4021-95CB-11D24ED253F0

Journal

Journal ID (nlm-ta): Zookeys

Journal ID (iso-abbrev): Zookeys

Journal ID (publisher-id): ZooKeys

Title: ZooKeys

Publisher: Pensoft Publishers

ISSN (Print): 1313-2989

ISSN (Electronic): 1313-2970

Publication date Collection: 2013

Publication date (Electronic): 14 October 2013

Issue: 342

Pages: 21-28

Affiliations

[1 ]Atatürk University, Faculty of Agriculture, Department of Plant Protection, 25240 Erzurum, Turkey

[2 ]Depto. de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales, José Gutiérrez Abascal, 2, E-28071 Madrid, Spain

Author notes

Corresponding author: Miguel A. Alonso-Zarazaga ( zarazaga@ 123456mncn.csic.es )

Academic editor: Lyubomir Penev

Article

DOI: 10.3897/zookeys.342.5754

PMC ID: 3817427

SO-VID: 482780aa-c86c-439b-8530-3c0dceb52c6c

License:

This is an open access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC-BY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

History

Date received : 7 June 2013

Date accepted : 11 September 2013

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