Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
The visual orientation strategies of Mantis religiosa and Empusa fasciata reflect differences in the structure of their visual surroundings
Autore:
Kral, K; Devetak, D;
Indirizzi:
Graz Univ, Inst Zool, A-8010 Graz, Austria Graz Univ Graz Austria A-8010Graz Univ, Inst Zool, A-8010 Graz, Austria
Titolo Testata:
JOURNAL OF INSECT BEHAVIOR
fascicolo: 6, volume: 12, anno: 1999,
pagine: 737 - 752
SICI:
0892-7553(199911)12:6<737:TVOSOM>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
MOTION PARALLAX; PRAYING-MANTIS; DISTANCE ESTIMATION; VISION; INFORMATION; INSECTS; LOCUSTS;
Keywords:
praying mantis; visual behaviour; adaptive behaviour; depth perception; image motion;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Kral, K Graz Univ, Inst Zool, Univ Pl 2, A-8010 Graz, Austria Graz Univ Univ Pl 2 Graz Austria A-8010 l 2, A-8010 Graz, Austria
Citazione:
K. Kral e D. Devetak, "The visual orientation strategies of Mantis religiosa and Empusa fasciata reflect differences in the structure of their visual surroundings", J INSECT B, 12(6), 1999, pp. 737-752

Abstract

In the present study, peering behaviour, which is used to measure distanceby the image motion caused by head movement, is examined in two types of mantid. Mantis religiosa inhabits a region of dense grass consisting of uniform, generally uniformly aligned, and closely spaced elements and executes slow, simple peering movements. In contrast, Empusa fasciata climbs about in open regions of shrubs and bushes which consist of irregular, variably aligned and variably spaced elements and it executes comparatively quick, complex peering movements. Hence, it seems that in these two species of mantid, the same orientation mechanism has been adapted to the unique structures of their visual surroundings. Apparently M. religiosa uses motion parallax and E. fasciata uses a combination of motion parallax and forward and backward movements (image expansion/contraction over time) to detect object distances.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/07/20 alle ore 19:18:13