The Insects - Outline of Entomology 3th Edition - Chapter 4 ppsx
The Insects - Outline of Entomology 3th Edition - Chapter 4 ppsx
... at the
neck, in contact with the cuticle of an adjacent body
part (Fig. 4. 2a). The degree of flexion of the joint gives
a variable stimulus to the sensilla, thereby allowing
TIC 04 5/20/ 04 4 :47 ... controls the
mode of reproduction (i.e. either sexual or partheno-
genetic). The setting of the biological clock (Box 4. 4)
relies upon the ability to detect phot...
The Insects - Outline of Entomology 3th Edition - Chapter 11 ppsx
... Interpreting the early evolution
of the angiosperms is contentious, partly because of
the paucity of fossilized flowers prior to the period of
radiation, and also because of the apparent rapidity
of the ... rat-tailed maggot.
Text continues on p. 2 94.
TIC11 5/20/ 04 4 :42 PM Page 288
276 Insects and plants
Box 11.2 The grape phylloxera
An example of the compl...
The Insects - Outline of Entomology 3th Edition - Chapter 13 ppsx
... particles. In the case
of PDVs, the process is more active and involves the
expression of PDV-encoded gene products that directly
interfere with the mode of action of hemocytes.
TIC13 5/20/ 04 4 :41 PM ... species of insect
parasitoids seen above, there are remarkably few insect
parasites of other insects, or indeed, of other arthropods.
The largest group of endop...
The Insects - Outline of Entomology 3th Edition - Chapter 14 ppsx
... distasteful-
ness. The mimic gains both from the presence of the
protected model and the deception of the observer. As
the mimic’s presence disadvantages the model, interac-
tion with the model ... produces a build-up of pressure in the reac-
tion chamber, which closes the one-way valve from the
reservoir, thereby forcing discharge of the contents
through the...
The Insects - Outline of Entomology 3th Edition - Chapter 1 ppt
... numbers of
insects is the role of sexual selection in the diversifica-
tion of many insects. The propensity of insects to
become isolated in small populations (because of the
fine scale of their ... classification
and their roles in our economic and wider lives. First,
we outline the field of entomology and the role of ento-
mologists, and then introduce the...
The Insects - Outline of Entomology 3th Edition - Chapter 2 pot
... to the surface plane of the wing, especially near the
The thorax 41
TIC02 5/20/ 04 4 :49 PM Page 41
The cuticle 25
In soft-bodied larvae and in the membranes between
segments, the cuticle must be ... Branches of the anterior and posterior sector of each vein are numbered, e.g. CuA
1 4
.
(After CSIRO 1991.)
TIC02 5/20/ 04 4 :49 PM Page 43
44 External anatomy
thicken...
The Insects - Outline of Entomology 3th Edition - Chapter 3 potx
... including: the meta-
bolism of carbohydrates, lipids, and nitrogenous com-
pounds; the storage of glycogen, fat, and protein; the
synthesis and regulation of blood sugar; and the syn-
thesis of major ... by the plant. By comparison,
a macerate-and-flush strategy is typical of Heteroptera,
such as mirids and coreids. These insects disrupt the tis-
sues of plants or oth...
The Insects - Outline of Entomology 3th Edition - Chapter 5 pot
... transfer of sperm via the insertion of part of the
male’s aedeagus (edeagus), the penis, into the repro-
ductive tract of the female. In males of many species the
extrusion of the aedeagus during ... oviposition in insects.
5.1 BRINGING THE SEXES TOGETHER
Insects often are at their most conspicuous when syn-
chronizing the time and place for mating. The flas...
The Insects - Outline of Entomology 3th Edition - Chapter 6 pptx
... range of insects. One of the earliest
TIC06 5/20/ 04 4 :45 PM Page 1 64
168 Insect development and life histories
Box 6.2 Calculation of day-degrees
An outline of a simple method to estimate day-degrees
(after ... case when the photoperiodic response of the
maternal generation of silkworms affects the eggs of the
next generation.
The ability of insects to re...
The Insects - Outline of Entomology 3th Edition - Chapter 7 pdf
... 93–1 04.
Yeates, D.K. & Wiegmann, B.M. (1999) Congruence and
controversy: toward a higher-level phylogeny of Diptera.
Annual Review of Entomology 44 , 397 42 8.
TIC07 5/20/ 04 4 :45 PM Page 200
the ... as
wings held roof-like over the abdomen, fore wings
either membranous or in the form of tegmina of uni-
form texture, and with the rostrum arising ventrally
close to...