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Title:Gradnja lijakov ličinke volkca Euroleon nostras (Neuroptera: Myrmeleontidae) v pesku različnih granulacij
Authors:ID Orlačnik, Marina (Author)
ID Devetak, Dušan (Mentor) More about this mentor... New window
Files:.pdf UNI_Orlacnik_Marina_2009.pdf (4,95 MB)
MD5: DC9FDCB42347444540681234E7FF6D4D
PID: 20.500.12556/dkum/89ad10a4-1fcf-46df-b3b9-1d3c3082bb2e
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:Raziskovali smo gradnjo lijakov ličinke volkca Euroleon nostras (Neuroptera: Myrmeleontidae) v pesku različnih granulacij. Volkce smo namestili v štiri podlage: peske z velikostjo delcev 60—110 µm, ≤ 540 µm, 1000—1540 µm in 1540—1750 µm. Volkci so bili dejavni predvsem v poznih popoldanskih in večernih urah. V tem času smo gradnjo lijakov snemali z videokamero in hkrati beležili podatke v snemalno knjigo. S pomočjo teh dveh virov smo pridobili podatke o poteku gradnje in trajanju posameznih faz gradnje lijakov v posameznih podlagah. Volkci v najbolj grobi podlagi lijakov niso gradili. Raziskave podpirajo domnevo, da gre pri vedenju volkcev za določeno plastičnost.
Keywords:Myrmeleontidae, volkci, Euroleon nostras, granulacija substrata, gradnja lijaka, pesek, vedenje
Place of publishing:Maribor
Publisher:[M. Orlačnik]
Year of publishing:2009
PID:20.500.12556/DKUM-12684 New window
UDC:57/59(043.2)
COBISS.SI-ID:17345032 New window
NUK URN:URN:SI:UM:DK:A2STHVBN
Publication date in DKUM:07.01.2010
Views:3689
Downloads:394
Metadata:XML DC-XML DC-RDF
Categories:FF
FNM
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Secondary language

Language:English
Title:Pit construction of antlion larva Euroleon nostras (Neuroptera: Myrmeleontidae) according to different grain size of sand
Abstract:We observed and analyzed pit construction of antlion Euroleon nostras in sands with different grain sizes. Larvae of the antlion were placed in four different sands. The particle sizes used in the research were the following: 60–110 µm, ≤ 540 µm, 1000–1540 µm and 1540–1750 µm. Antlions were particularly active in the late afternoon and in the evening. During that time, we recorded pit construction with a video-camera and took notes of the process. Antlions did not build pits in the coarsest sand. We recorded stages of pit construction and duration of the stages. The results support a suggestion that certain plasticity occurs in antlion behaviour.
Keywords:Myrmeleontidae, antlion, Euroleon nostras, substrate particle size, pit building, sand, behaviour


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