aposematic


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Related to aposematic: aposematic coloration

aposematic

[¦ap·ə·sə¦mad·ik]
(ecology)
Pertaining to colors or structures on an organism that provide a special means of defense against enemies. Also known as sematic.
References in periodicals archive ?
The relationship between toxicity and the number of aposematic spots indicates that there could be a fitness advantage to possessing more spots.
Defensive chemistr y of an aposematic bug, Pachycoris stallii Uhler and volatile compounds of its host plant Croton californicus Muell.-Arg.
Another survival advantage to depositing eggs in large clusters is that aggregation of larvae increases advertisement of their toxic nature by multiplying the effect of the larval aposematic coloring (Stamp 1980; Bowers 1993; Osborn & Jaffe 1998).
Evidence for peak-shift in predator generalization among aposematic prey.
Experimental support for aposematic coloration in the salamander Ensatina eschscholtziixanthoptica: implication for mimicry of Pacific newts.
The vivid coloration is very probably aposematic too, as the adults when physically persecuted will assume a "dymantic" posture with the red or orange hindwings exposed, and produce an foul-smelling froth of blood and air from the thoracic spiracles.
It is questionable if aposematic coloration is involved as the snake is not known to be poisonous and is reluctant to bite.
Aposematic insects as 6-legged fruits: incidental short circuiting of their defense by frugivorous birds.
Predation has been important in the evolution of many amphibian characteristics, such as toxic and distasteful skin secretions, cryptic and aposematic coloration, and a variety of defensive postures and behaviors (WELLS, 2007; VITT & CALDWELL, 2009).
While diurnal velvet ants have conspicuous aposematic color patterns, such as those in the genus Dasymutilla, nocturnal species are small and inconspicuous.
1999: Development of colour in an aposematic ladybird beetle: the role of environmental conditions.--Evolutionary Ecology Research 1: 651-662.
Orange has been suggested to be an aposematic warning color in the larvae of some marine organisms (e.g.