Entomologia Hellenica 20 (2011):83-93.

N.AG.RE.F., Institute for Mediterranean Forest Ecosystem Research, Laboratory of Entomology, Terma Alkmanos, 11528 Athens, Greece. e-mail: pvpetrakis@fria.gr

The Nearctic coreid Leptoglossus occidentalis Heidemann 1910 (Hemiptera: Coreidae) known as the Western Conifer Seed Bug, is recorded for the first time in Greece. This highly dispersible species is well established in Europe and was collected by the authors in various areas of continental Greece (Central Evia, Attica and North Peloponnisos), suggesting a wide distribution in this country.

Entomologia Hellenica 20 (2011):75-81.

N.AG.RE.F., Institute for Mediterranean Forest Ecosystem Research, Laboratory of Entomology, Terma Alkmanos, 11528 Athens, Greece,Museum Requien, rue Joseph Vernet, F-84000 Avignin, France

The Nearctic assasin bug species Zelus reinardii was found for the first time in Attica, Greece, Europe. This species is a generalist predator which can contribute to the control of insect pests.  This is also a known predator of several biological control agents of pests. Therefore, its naturalization in Greece is potentially problematic in economic settings since the insect may act as both an intraguild and a beneficial predator. The risky nature of importation in other areas (e.g. Hawaii) showed the possibility of these ecological roles.

Entomologia Hellenica 20 (2011): 69-74.

Institute of Inland Waters, Hellenic Centre for Marine Research, 46.7km Athens-Sounio Av., 19013 Anavissos, Attica, Greece, Atatürk University, Faculty of Science, Department of Biology, 25240-Erzurum, Turkey

The first record of the genus Berosus Leach, 1817 (Coleoptera: Hydrophilidae) for Crete (Greece) is given. Adults of the collected specimens were identified as Berosus affinis Brullé, 1835. Photographs of the adults and larvae of the species and its habitat are presented, while some notes on its ecology and feeding behavior are provided

Entomologia Hellenica 20 (2011):55-67.

Administration of Bosnia and Herzegovina for Plant Health Protection, 8 Radićeva, 71000 Sarajevo, e-mail: brzica7@hotmail.com

In the present study some bio-ecological characteristics of Lilioceris lilii in Bosnia and Herzegovina are presented. The insect’s presence was confirmed in the majority of the researched locations in Bosnia and Herzegovina. The average body length of L. lilii was 7.64 mm (7.025 mm for the males while 8.106 mm for the females) and the averagebody width 3.75 mm. The average length of a fully developed larva was 6.36 mm, and the average width was 2.69 mm. In terms of the cocoon, the average length was 8.83 mm and its width was 5.82 mm. Duration of embryonic development under field conditions was 8.5 days in average. The average duration of larval development (4 instars) was 16 days and the pupal stage lasted approximately 18 days. Lilioceris lilii retreated into winter quiescence at the beginning of autumn, thereof completes one generation per year. In the area of Sarajevo in field conditions the number of the laid eggs per female was 130 in average. The insect undergoes its entire development at the Asian and Oriental species of lily, on all the above-ground parts of the plants. Lilium candidum lily species that was present in all home gardens in the observed areas was the major host of the L. lilii. Experimentation with Aloae vera proved that this species was not a host of L. lilii.