Table 8.2.6 Total number of individuals (x) occurring in the four quanti- 

 tative samples at the four stations and percent occurrence 

 frequency (%) . 



Stn B Stn D Stn C Stn G 



X % X % X % X % 



INSECTA 



Collembola fain. Entomobryidae 3 25 9 75 



Poduridae 4 50 5 50 



Isotomidae 3 25 153 25 



Hemiptera 



399 75 



Homoptera fam. Aphididae 2 25 1 25 2 50 



Heteropotera unidentified 1 25 



Coleoptera fam. Hydrophilidae 8 100 7 75 



Staphylinidae 2 50 2 25 4 50 5 75 



Ptiliidae 3 25 1 25 50 75 



Nitidulidae 2 50 



larvae 1 25 2 25 



Hymenoptera fam. Ichneumonidae 1 25 



Braconidae 1 25 



Proctotrupoidae 1 25 



Formicidae, Lasius niger 1 25 2 50 



Diptera 

 Brachycera " Agromyzidae 1 25 1 25 



larvae 3 50 9 75 29 100 17 100 



Nematocera " Chironomidae 3 50 1 25 



Cecidomyidae 1 25 1 25 



CRUSTACEA 



Isopoda Porcellio scaber, adults 56 100 57 75 72 100 19 100 



", newly hatched 79 50 44 50 4 25 10 25 



Amphipoda Orchestia gammarellus , adults 17 75 



, newly hatched 15 25 



ARACHNOIDEA 



Aranae fam. Linyphiidae 3 75 3 25 52 100 59 100 



" Lycosidae 3 50 



Acarina fam. Ixidae, Ixodes ricinus 46 100 29 75 178 100 346 100 



MYRIAP0DA 



Diplopoda fam. Iulidae 14 75 2 25 



OLIGOCHAETA 



Plesiopora Pachydrilus sp. and Enchytraeus sp. 



(estimated numbers) 200 75 250 100 2000 100 4000 100 



183 



