300 



M. Butler etal. 



TABLE 7-1 Macrobenthos Collected From Tundra Ponds Near Barrow, 

 Alaska 



Turbellaria 

 Annelida 



Oligochaeta 



Tubificidae 

 Enchytraeidae 

 Hydracarina 



Lebertiidae 

 Gastropoda 



Physidae 

 Insecta 



Plecoptera 

 Coleoptera 



Dytiscidae 



Diptera 



Chironomidae 



Podonominae 

 Tanypodinae 



Chironominae 



Chiionomini 



Tanytarsini 



Orthocladiinae 



Orthocladini 



1 sp. 



Tubifex sp. 



Propappus sp. 



Lebertia sp. 



Physa sp. 



Nemoura arctica 



Agabus sp. 



Hydroporus sp. 



Trichotanypus alaskensis 

 Procladius prolongatus 

 P. vesus 



Derotanypus alaskensis 

 D. aclines 



Chironomus pilicornis 



C. hyperboreus 



C. riparius 



C. (Camptochironomus) 



grandivalva 

 Stictochironomus sp. 

 Dicrotendipes lobiger 

 Cryptochironomus sp. 

 Tany tarsus inequalis 

 T. gregarius gr. sp. 2 

 Paratany tarsus penicillatus 

 Constempellina sp. 

 Cladotany tarsus sp. 



Psectrocladius psilopterus 

 gr. spp. (at least 2) 

 P. dilatatus gr. sp. 

 Cricotopus tibialis 

 C.nr. perniger 

 Cricotopus sp. 3 

 Cricotopus sp. 4 

 Orthocladius 

 (Eudactylocladius) sp. 

 O. (PogonocladiusJ sp. 



