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Rezumat articol ediţie STUDIA UNIVERSITATIS BABEÅž-BOLYAI
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Rezumat: Faunistical, Ecological and Zoogeographic Analysis of the Suprafamily P e n t a t o m o i d e a (I n s e c t a, H e t e r o p t e r a) from the Inferior Area of the Arieş River Basin. The biological material was collected during 2001, 2002 and 2003. In the studied area we have revealed a number of 565 Pentatomoidea, belonging to 26 species, 19 genera and 4 family. The majority of the species (20) belongs to the family Pentatomidae. The researches were made in nine different types of ecosystems: mixed forest (beech and hornbeam), forest of hornbeam, cluster of osier, hay field with high humidity, hay field with medium humidity, rocky region, grassland, crop of alfalfa and roadside vegetation. Most species (17) live in the hay field with medium humidity. In the mixed forest 10 species of Pentatomoidea live (Dolycoris baccarum, Pentatoma rufipes and Palomena prasina have the highest values of numerical and relative abundance). In the hay field, the highest values of abundance were shown by Eurydema oleraceum, Coptosoma scutellatum and Aelia acuminata. In the crop of alfalfa Piezodorus lituratus and in the roadside vegetation Coptosoma scutellatum and Graphosoma lineatum are the most abundant species. The highest number of adults was recorded in June. A proportion of 69% of the species is polyphagous. From all species 50% belong to the Palearctic Region. Sciocoris (Sciocoris) deltocephalus is a new record for Transilvania. |
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