Cockroache; Ecology, behavior & history - W.J. Bell
Cockroache; Ecology, behavior & history - W.J. Bell
Cockroache; Ecology, behavior & history - W.J. Bell
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Chemotaxis the directed reaction of a motile organism toward<br />
(positive) or away from (negative) a chemical stimulus.<br />
Chitin a polysaccharide constituent of arthropod cuticle.<br />
Chitinase an enzyme capable of degrading chitin.<br />
Circadian exhibiting 24-hr periodicity.<br />
Clade a hypothesized monophyletic group of taxa sharing a<br />
closer common ancestry with one another than with<br />
members of any other clade.<br />
Cladistic analysis a technique in which taxa are grouped<br />
based on the relative recency of common ancestry.<br />
Clone the asexually derived offspring of a single parthenogenetic<br />
female.<br />
Conglobulation the act of rolling up into a ball.<br />
Consortium (pl. consortia) a group of different species of microorganisms<br />
that act together as a community.<br />
Conspecific belonging to the same species.<br />
Coprophagy the act of feeding on excrement.<br />
Corpora allata a pair of small glandular structures, located<br />
immediately behind the brain, that produce juvenile hormone.<br />
Coxa (pl. coxae) the basal segment of the leg.<br />
Crepuscular active during twilight hours, dusk, and/or<br />
dawn.<br />
Cryptic used of coloration and markings that allow an organism<br />
to blend with its surroundings.<br />
Cuticle the non-cellular outer layer of the body wall of an<br />
arthropod.<br />
Cycloalexy the formation of a rosette-shaped defensive aggregation.<br />
Dealation wing removal.<br />
Dehiscence the act of opening or splitting along a line of<br />
weakness.<br />
Diapause a dormancy not immediately referable to adverse<br />
environmental conditions.<br />
Dimorphism pertaining to a population or taxon having<br />
two, genetically determined, discontinuous morphological<br />
types. Sexual dimorphism: differing morphology between<br />
the males and females of a species.<br />
Dipterocarp tree of the family Dipterocarpaceae.<br />
Elytron (pl. elytra) a thickened, leathery, or horny front<br />
wing.<br />
Embryogenesis the development of an embryo.<br />
Emmet an ant (archaic).<br />
Encapsulation the act of enclosing in a capsule.<br />
Endemic native to, and restricted to, a particular geographic<br />
region.<br />
Endophallus the inner eversible lining of the male intromittent<br />
organ.<br />
Endosymbiont symbiosis in which one symbiont (the endosymbiont)<br />
lives within the body of the other.<br />
Epigean living above the soil surface.<br />
Epiphyll an epiphyte growing on a leaf.<br />
Epiphyte an organism growing on the surface of a plant.<br />
Euplanta(e) a swelling on a tarsal segment that facilitates adhesion<br />
to the substrate during locomotion.<br />
Eusociality the condition where members of a social group<br />
are integrated and cooperate in taking care of the young,<br />
with non-reproductive individuals assisting those that<br />
produce offspring, and with an overlap of different generations<br />
contributing to colony labor.<br />
Exuvium (pl. exuvia) the cast skin of an arthropod.<br />
Fossorial adapted for or used in burrowing or digging.<br />
Fungistatic referring to the inhibition of fungal growth.<br />
Geophagy the act of feeding on soil.<br />
Gestation the period of development of an embryo, from<br />
conception to hatch or birth.<br />
Gonopore the external opening of a reproductive organ.<br />
Gravid carrying eggs or young; pregnant.<br />
Gregarious tending to assemble actively into groups or clusters.<br />
Guild a group of species having similar ecological resource<br />
requirements and foraging strategies.<br />
Gynandromorphs individuals of mixed sex, having some<br />
parts male and some parts female.<br />
Hemimetabolous a pattern of development characterized by<br />
gradual changes, without distinct separation into larval,<br />
pupal, and adult stages.<br />
Hemocyte a blood cell.<br />
Heterochrony an evolutionary change in the onset or timing<br />
of the development of a feature relative to the appearance<br />
or rate of development of the same feature during the ontogeny<br />
of an ancestor.<br />
Heteroploidy an organism or cell having a chromosome<br />
number that is not an even multiple of the haploid chromosome<br />
number for that species.<br />
Heterotrophic used of organisms unable to synthesize organic<br />
compounds from inorganic substrates.<br />
Heterozygosity the condition of having two different alleles<br />
at a given locus of a chromosome pair.<br />
Holometabolous complete metamorphosis, having welldefined<br />
larval, pupal, and adult stages.<br />
Homoplasy resemblance due to parallelism or convergent<br />
evolution rather than common ancestry.<br />
Hyaline transparent, colorless.<br />
Hypogean living underground.<br />
Hypopharyngeal bladders a specialization of the mouthparts<br />
in some desert cockroaches that allows them to utilize atmospheric<br />
water.<br />
Hypoxia oxygen deficiency.<br />
Imago the adult stage of an insect.<br />
Inquiline a species that lives within the burrow, nest, or<br />
domicile of another species.<br />
Intercoxal referring to the area between the coxae, or basal<br />
portion of the legs.<br />
Intromittent referring to something that allows, permits, or<br />
forces entry.<br />
Iteroparous having repeated reproductive cycles.<br />
Keel the raised crest running along the dorsal midline of an<br />
ootheca.<br />
Macropterous tegmina and/or wings that are fully developed<br />
or only slightly shortened.<br />
Mallee a thicket of dwarf, multi-stemmed Australian eucalypts.<br />
Mechanoreceptor a sensory receptor that responds to mechanical<br />
pressure or distortion.<br />
Metanotum the third dorsal division of the thorax.<br />
Metathoracic referring to the third segment of the thorax.<br />
180 GLOSSARY
Change language