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o .eg an Jo of En1tomol0lD' - Norsk entomologisk forening

o .eg an Jo of En1tomol0lD' - Norsk entomologisk forening

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Table. 4. Additional Macrolepidoptera species taken on northern Sotra between 1975 <strong>an</strong>d 1980. The locality <strong>of</strong><br />

species taken in lights traps is referred to with the locality number (see Tab. I). Relative abund<strong>an</strong>ce ( +, + +,<br />

+ + + ) <strong>of</strong> species observed (0), netted (n) or taken as larvae (]) in Cal/una heath <strong>an</strong>d grassl<strong>an</strong>d habitats are given.<br />

\<br />

I<br />

\<br />

SPECIES<br />

Light trap<br />

loc. no.<br />

Grassl<strong>an</strong>d<br />

Cal/una<br />

heath<br />

Lasiocampidae<br />

Lasiocampa quercus (L., 1758) + (0)<br />

Saturniidae<br />

Saturnia pavonia (L., 1758) + (0)<br />

Thyatiridae<br />

Ochropacha duplaris (L., 176]) 5<br />

Geometridae<br />

Antic/ea derivata (Denis & Shiffermuller, 1775)<br />

Lampropteryx suffumata (Denis & Schiffermuller, 1775)<br />

Eulithis prunata (L., 1758)<br />

Thera firmata (Hubner, 1822)<br />

Eupithecia plumbeolata (Haworth, 1809)<br />

E. absinthiata (C1erck, 1759)<br />

E. denotata (Hubner, 1813)<br />

Chloroc/ystis rect<strong>an</strong>gulata (L., 1758)<br />

C. debiliata (Hubner, 1817)<br />

Plagodis pulveraria (L., 1758)<br />

Selenia dentaria (Fabricius, 1775)<br />

Ectropis bistortata (Goeze, 1781)<br />

Ematurga atomaria (L., 1758)<br />

Bupalus piniaria (L., 1758)<br />

Campaea margaritata (L., 1767)<br />

7<br />

5<br />

5<br />

3<br />

5<br />

5<br />

5<br />

5<br />

4,7<br />

4,7<br />

4<br />

5<br />

5<br />

+(])<br />

+ + + (0, n)<br />

Sphingidae<br />

Hemaris tityus (L., 1758)<br />

+ (n)<br />

• Arctiidae<br />

Parasemia pl<strong>an</strong>taginis (L., 1758) +(])<br />

Noctuidae<br />

Euxoa cursoria (Hufnagel, 1766)<br />

Agrotis ipsilon (Hufnagel, 1-'66)<br />

Xestia alpicQia (Zetterstedt, 1839)<br />

X. rhomboidea (Esper, 1790)<br />

Mamestra brassicae (L., 1758)<br />

Hadena rivularis (Fabricius, 1775)<br />

Mythimna pal/ens (L., 1758)<br />

Parastichtis suspecta (Hubner, 1817)<br />

Acronicta m<strong>eg</strong>acephala (Denis & Schiffermuller, 1775)<br />

Rhizedra lutosa (Huner, 1803)<br />

Colocasia coryli (L., 1758)<br />

Polychrysia moneta (Fabricius, 1787)<br />

Phytometra viridaria (Clerck, 1759)<br />

Hypena proboscidalis (L., 1758)<br />

tively 59 % <strong>an</strong>d 40 % <strong>of</strong> the total. Of the remai­ The diversity indices used are given in Tab. 5.<br />

ning five families Notodontidae were represen­ The species richness, expressed by Menhinick's<br />

ted by 7 species in both localities, <strong>an</strong>d Lasiocam­ index (d), was lower in the heath th<strong>an</strong> on the<br />

pidae, Thyatiridae, Sphingidae <strong>an</strong>d Lym<strong>an</strong>trii­ grassl<strong>an</strong>d indicating that fewer species actually<br />

dae by one species each. Combined, these five inhabit the heath. However, while the values for<br />

families made up less th<strong>an</strong> 1% <strong>of</strong> the total catch the Noctuidae in the two localities only differ<br />

on the grassl<strong>an</strong>d, <strong>an</strong>d less th<strong>an</strong> 0.5 % in the slightly, the value for the Geometridae was<br />

heath.<br />

much lower in the heath th<strong>an</strong> on the grassl<strong>an</strong>d.<br />

4<br />

I<br />

4<br />

I<br />

5<br />

5<br />

4<br />

I<br />

7<br />

4,7<br />

5<br />

5,6<br />

1,5<br />

+ (n)<br />

93

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