… The experiments on the beetle Blaps gigas (Koehler and Fleissner/979) showed that the
clarity of the circadian activity rhythm depends on the degree of internal synchronization …

… components of the circadian clock system in that insect and in others. In the beetle, application
… candidates for the neuronal basis of the beetle’s circadian clock system: the pacemaker re…

… In carabid and tenebrionid beetles, we have been able to detect a new type of extraretinal …
candidate for circadian Zeitgeber perception in insects (Fleissner and Fleissner 1992). These …

… We have now obtained direct evidence with beetles, by … in the compound eyes of tenebrionid
beetles of the genus Blaps. At … that oscillate in a circadian rhythm in constant conditions. In …

… Although evidence in Drosophila suggests that CRY is expressed in circadian clock
neurons, we show in the cockroach that CRY-related substances are present in two putatively …

… Localisation of the circadian pacemaker in the beetle Pachymorpha sexguttata by
immunohistological methods (A to C) and microsurgery (0). (A) In the optic lobe of the …

… compound eyes exhibited clear circadian rhythms due to direct … , the circadian period of the
two pacemakers in each beetle ran … and FLEISSNER, 1986). The ERG rhythms of compound …

… Sensitivity-rhythms and the bilateral circadian oscillator system … Sensitivity-rhythms
and the bilateral circadian oscillator system [1986] Fleissner, G.; Fleissner, G.; …

… accessory LAs as in beetles within the first optic chiasm (Fleissner and Schuchardt,
unpublished)… beetle families, where we studied the circadian clock system: Carabid and …

… days, and a group of bugs was then kept in constant darkness (… After three ‘subjective’ days,
the eyes of half of the bugs from … of the bugs were approximately 23 h 50 min for bugs kept in …

… , but that the bug's sensitivity changes for different illumination levels. Circadian rhythms of …
in the amplitude of electroretinograms (beetles: Koehler and Fleissner 1978; locust and mantis…

Circadian rhythms in the compound eyes of the carabid beetle Pachymorpha (Anthia)
sexguttata. II. Retinomotoric mechanisms of exogenous and endogenous senitivity control …

… are regulated by endogenous circadian oscillators. The percentage of beetles that became
… as modifying factors for the pattern and amplitude of the circadian rhythm of light sensitivity. …

… 1) The circadian system of the scorpion is a bilaterally symmetrical unit, and has never …
between the left and right sides (Fleissner 1977) such as has been noted in beetles (K6hler and …

… This rigidity of the circadian ERG rhythm contrasts with that of other arthropods, eg, some
species of beetles which have loose circadian systems. Their ERG rhythm can completely …

… An example of how internal synchrony among the circadian components may depend on
an external time reference is found in the visual system of tenebrionid beetle, Blaps. …