Marisia - Maros Megyei Múzeum Évkönyve 29-30/2. (2010)

Zoology

Svetlana BACAL, Galina BUSMACHIU

humidity and pH were measured. Several methods have been used for sampling. For Collembola soil samples with a surface of 5 x 5 cm2 were taken, which were extracted using flotation method. Coleopterans were collected using Barber soil traps. As a result of investigation 95 specimens of Collembola and 1577 specimens of Coleoptera were analyzed. To identify the coleopterans species the recommended for this purpose Identification Manual was used [3]. The processing of collected materials various ecological parameters have been used such as: abundance (A), dominance (D), constancy (C) and ecological significance index (W) (Tab. 2, 3). Financial support was provided by the project No 10.820.04.16/RoA.

Results and discutions

As a result of the study the new data on species composition, abundance and dominance of invertebrates from alfalfa and winter wheat crops were obtained.

From the soil samples taken in the alfalfa field - 95 specimens of Collembola were extracted. The species diversity of Collembola from the alfalfa field has been studied for the first time in the Republic of Moldova. As a result 20 species of Collembola, belonging to 17 genera and 7 families (Hypogastruridae, Onychiuridae, Isotomidae, Entomobryidae, Sminthurididae, Katiannidae and Sminthuridae) were found. Some epigeic Collembola were also extracted from Barber traps. During the collection of faunistic material the abiotic parameters such as soil and air temperature - 26.4 °C and 30.3 °C respectively, soil humidity - 13, 57% and pH - 7.0 were measured and calculated for the alfalfa. The most abundant and dominant collembolan species for the alfalfa field were Heteromurus major, Lepidocyrtus cyaneus, Hypogastrura viatica, Isotoma viridis, Metaphorura affinis and Mesaphorura critica (Tab. 1).

Table 1: Sinecologocal analysis of Collembola species from alfalfa field

No Species Abundance Dominance_______Class

1. Heteromurus major (Moniez, 1889) 36 37,9 D4

2. Lepidocyrtus сули«« Tullberg, 1871 9 9,5 D4

3. Hypogastrura viatica {Tullberg, 1872) 8 8,4 D4

4. Isotoma viridis Bourlet, 1839 7 7,3 D4

5. Metaphorura affinis (Börner, 1902) 6 6,3 D4

6. Mesaphorura critica Ellis, 1976 5 5,2 D4

7. Protaphorura sakatoi (Yosii, 1966) 3 3,15 _____________

8. Lepidocyrtus paradoxus Uzel, 1890 3 3,15 D,

9. Sminthurinus sp. 3 3,15 D;

10. Orchesella multifasciata Stscherbakow, 1898 2 2,1 _____________

11. Pseudosinella octopunctata Börner, 1901 2 2,1 D4

12. Sminthurus viridis (Linnaeus, 1758) 2 2,1 D ,__

13. Parisotoma notabilis (Schaffer, 1896) 2 2,1 E>___

14. Ceratopysella denticulata {Bagnall, 1941) 1 1,05 D[

15. Folsomidesparvulus Stach, 1922 1 1,05 D!

16. Isotomodesproductus (Axelson, 1906) 1 1,05 Dj

17. Folsomia quadrioculala (Tullberg, 1871) 1 1,05 fy

18. Lepidocyrtus lanuginosus (Gmelin, 1788) 1 1,05 D(

19. Pseudosinella moldavica Gama & Bujmachiu, 2002 1 1,05 Dt

20. Sphaeridiapumilis (Krausbauer, 1898) 1 1,05 Dt

Euedaphic Collembola are small invertebrates closely connected to the life conditions of soil and strongly depend on its humidity and the presence of nutrients in the soil. It is shown by

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