caa a22 4500 465789064 CHVBK 20180323112018.0 cr unu---uuuuu 170327e19900901xx s 000 0 eng 10.1007/BF01052330 doi (NATIONALLICENCE)springer-10.1007/BF01052330 Information transmission during intra- and interspecific courtship in Ephestia elutella and Cadra figulilella [Elektronische Daten] [P. Phelan, T. Baker] Using information theory, courtship posturing in the moths Ephestia elutella(Hübner) and Cadra figulilella(Gregson) was analyzed for information transmission, which was partitioned into autocovariability (intraindividual transmission) and cross-covariability (interindividual transmission). This two-factor analysis was sufficient to account for more than 60% of the behavioral variance in males of E. elutellaand in both sexes of C. figulilelladuring intraspecific courtships; however, there were large residual variances in the behavior of male and female C. figulilelladuring interspecific courtships and in E. elutellafemales during both inter- and intraspecific courtships. In E. elutella,significant levels of transmission were attributable to both inter- and intraindividual effects, whereas in C. figulilella,only autocovariability was high and no interindividual communication could be assigned to courtship postures. Although courtship in these two species was qualitatively very similar and males readily courted nonconspecific females, high levels of reproductive isolation resulted from courtship. Male C. figulilellahad 94% fewer copulations with E. elutellafemales than with conspecific females and E. elutellamales had 78% fewer copulations with C. figulilellafemales than with conspecifics. These reductions were due to a differential response in both females and males, causing inter-specific courtships to be terminated much earlier than intraspecific courtships. This discrimination indicates that interindividual communication was indeed occurring during courtship and was only partially measured by analysis of postures. Thus, communication took place largely in some other modality, most likely the chemical modality, where species specificity is suggested for both male and female pheromones. Plenum Publishing Corporation, 1990 Courtship nationallicence information theory nationallicence communication nationallicence behavioral analysis nationallicence Ephestia elutella nationallicence Cadra figulilella nationallicence Phelan P. Department of Entomology, University of California, 92521, Riverside, California aut Baker T. Department of Entomology, University of California, 92521, Riverside, California aut Journal of Insect Behavior Kluwer Academic Publishers-Plenum Publishers 3/5(1990-09-01), 589-602 0892-7553 3:5<589 1990 3 10905 https://doi.org/10.1007/BF01052330 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01052330 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Phelan P. Department of Entomology, University of California, 92521, Riverside, California aut NATIONALLICENCE 700 1- Baker T. Department of Entomology, University of California, 92521, Riverside, California aut NATIONALLICENCE 773 0- Journal of Insect Behavior Kluwer Academic Publishers-Plenum Publishers 3/5(1990-09-01), 589-602 0892-7553 3:5<589 1990 3 10905 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer