Full-text - Norsk entomologisk forening

Twelve species of Neuropteroidea and Mecoptera were collected in the Dovrefjellmountains. None were found in the middle alpine zone, but six and all twelve specieswere collected in the low and subalpine zones, respectively. Two species were common,Hemerobius pini Stephens, 1836 and Wesmaelius nervosus (Fabricius, 1793), whileChrysoperla carnea (Stephens, 1836), Helicoconis lutea (Wallengren, 1871), Micromuspaganus (L., 1767), Hemerobius nitidulus Fabricius, 1777, H. perelegans Step­hens, 1836, Wesmaelius malladai (Navas, 1925), W. mortoni (McLachlan, 1899),Sialis lutaria (L., 1758), and Boreus sp. were rare. Because W. mortoni always occurwith only a few specimens in collections, it is suggested that this species is rare in itswhole area ofdistribution. H. stigma was collected as late as in October and is probablyan autumn species. Adults ofthe remaining species were present in July and August andmust be regarded as summer species.Distribution, abundance and phenology of adultNeuropteroidea (Orders Planipennia, Raphidiopteraand Megaloptera) and Mecoptera in the Dovrefjellmountains, South Norway*LITAGREVE, JOHN O. SOLEM AND SIMEN BRETTENGreve, L., Solem, J.O. & Bretten, S. 1987. Distribution, abundance and phenology ofadult Neuropteroidea (Orders Planipennia, Raphidioptera and Megaloptera) and Mecopterain the Dovrefjell mountains, South Norway. Fauna norv. Ser. B. 34, 57-62.Uta Greve, University ofBergen, Zoological Museum, N-5007 Bergen Univ., Norway.John O. Solem, University of Trondheim, The Museum, Erling Skakkesgt. 47, 7000Trondheim.Simen Bretten, University ofTrondheim, Kongsvoll Biological Station, 7340 Oppdal.INTRODUCTIONThe insect fauna ofNational Parks in Norwayis poorly known. This paper is in a serieswhich aimto increase the knowledge of theinsect fauna of the Dovrefjell National Park.Norwegian National Parks are areas with ahigh degree of protection, and scientific do­cumentation of the fauna will increase thevalue of the parks as reference areas. Suchreference areas are especially important inlong term studies of insect communities andchanges caused by external factors.The superorder Neuropteroidea (Neurop­tera s.l.) is divided in three orders: Planipen­nia (Neuroptera s. str.), Raphidioptera andMegaloptera. Planipennia is the largest ofthethree and is represented in Norway with fivefamilies: Hemerobiidae, Chrysopidae, Coniopterygidae,Sisyridae and Myrmeleonti­dae. The first three is represented in the material.The two last orders are small, and each• Printing grant given by Kongsvoll biologicalstation.represented with only one family in Norway.This paper also deals with the small orderMecoptera represented in Norway with twofamilies, of which only one, the Boreidae,ha ve been found in the Dovrefjell NationalPark. The nomenclature for the Neuropteroideafollows Aspock & Holzel (1980). Forthe genus Boreus, see Svensson (1972).A survey of the Norwegian Neuropteroi­dea and Mecoptera was made by Tjeder(1945), and since then several authors haveadded knowledge to the distribution and bio­logy in Norway of single species or genera,but no larger survey has been made. Most ofthe published articles are enclosed in Aspocket al. (1980). For additional information onNorwegian Mecoptera, see Greve (1965,1975).The main objective of the present investigationwas to study aquatic insects. However,only the order Megaloptera have aquatic lar­vae of the group treated here, though a fewlarvae ofPlanipennia in families not found inthis survey are also aquatic. The sites of Ma-Fauna norv. Ser. B, 34: 57----{;2. Oslo 1987. 57