Entomology 3rd edition - C Gillott - Chapter 14 ppt
Entomology 3rd edition - C.Gillott - Chapter 14 ppt
... However, ca
l
cu
l
at
i
ons s
h
owe
d
t
h
at conven-
tional (steady-state) aerodynamic theory, which is based on rigid wings moving at con
-
stant velocit
y
, cannot account for the
p
roduction ... the center of the I bands, separating individual contractile segments called sarcomeres.
Attached to each side of the Z line are the actin filaments, which in contracted muscle ar
e
F
IGURE 14...
Entomology 3rd edition - C.Gillott - Chapter 1 pptx
... t
h
e
b
as
i
so
f
X-ray stu
di
es o
f
pyr
i
t
i
ze
d
tr
il
o
bi
te spec
i
mens, w
hi
c
h
s
h
ow
that trilobites possess a combination of chelicerate and crustacean characteristics, Cisne
(
1974) concluded ... mo
d
ern
p
h
y
l
ogenet
i
c
i
sts cannot accept t
h
e Ate
l
ocerata (see Sect
i
on 3.3.1) an
d
t
h
eUn
i
ram
i
a (se
e
Sections 3.2.2 and 3.3) as monoph
y
letic taxa
.
C
rustacea
....
Entomology 3rd edition - C.Gillott - Chapter 2 ppt
... sta
g
e
i
nw
hi
c
h
t
h
e
insect can pass throu
g
h adverse climatic conditions, especiall
y
freezin
g
temperatures.
4. The Success of Insect
s
The de
g
ree of success achieved b
y
a
g
roup of or
g
anisms can be measured ... w
i
t
hi
nep
id
erma
l
ce
ll
sw
hi
c
h
attac
h
mus
-
c
les to the exoskeleton) (see Fi
g
ure 14. 1) can be formed lon
g
after the pupal-adult mol
t
has occurre...
Entomology 3rd edition - C.Gillott - Chapter 11 pptx
... gland cells again exhibit cyclical activity associated with new cuticle production, an
d
i
t has been
p
ro
p
osed that the
y
secrete the cement la
y
er of e
p
icuticle.
T
h
e cut
i
c
l
e, w
hi
c
hi
sma
i
n
ly ... e
pi
cut
i
c
l
ean
db
uc
ki
n
g
o
f
cut
i
cu
li
nenve
l
o
p
e. (F) Be
gi
nn
i
n
g
o
fp
rocut
i
c
l
e secret
i
on. (G) Cut
i
c
l
e
i
mme
di
ate
ly
after ecdysis. (H) Cuticle...
Entomology 3rd edition - C.Gillott - Chapter 15 pptx
... o
f
car
b
on
di
ox
id
e
i
n water, com-
prises three phases (Fi
g
ure 1
5
.6): constricted- or closed-spiracle phase, flutterin
g
-spiracl
e
p
hase, and o
p
en-s
p
iracle
p
hase. In the constricted-s
p
iracle
p
hase ... compr
i
se cut
i
cu
l
ar components, ep
id
erm
i
s,
and basal lamina (Fi
g
ure 1
5
.2). Ad
j
acent to the spiracle, the tracheal cuticle includes, the
c
uticulin envelope, ep...
Entomology 3rd edition - C.Gillott - Chapter 18 ppt
... factor(s) involved nor the site of action is
k
nown. Changes in the rate of uric acid production, for example, occur at speci c stages
in an insect’s life and these can be correlated with fluctuations ... spec
i
es
d
r
i
n
k
excess
i
ve
l
yan
d
p
roduce hyperosmotic urine by secreting ions across the rectal wall; in contrast, brackish
-
w
ater insects osmoconform by increasing the concent...
Entomology 3rd edition - C.Gillott - Chapter 20 ppt
... base to which other
pro
g
enitor muscle cells (m
y
oblasts) become attached. As each muscle develops, it
g
rows
t
owar
d
as
p
ec
ifi
ce
pid
erma
li
nsert
i
on s
i
te (C
h
a
p
ter 14, Sect
i
on 2.1)
.
T
h
e
b
rea
ki
ng ... Deve
l
opmenta
l
Systems: Insects
,V
ol. I (S. J.
VV
Counce and C. H. Waddin
g
ton, eds.). B
y
permission of Academic Press Ltd., and the author.]
extra-embryonic ectoderm...
Entomology 3rd edition - C.Gillott - Chapter 23 pptx
... permission of Agricultural Sciences Publications, Universit
y
of
Ca
lif
orn
i
a; an
d
P. DeBac
h
, D. Rosen, an
d
C. E. Kennet, 1971, B
i
o
l
o
gi
ca
l
contro
l
o
f
cocc
id
s
by i
ntro
d
uce
d
n
atural ... Biochemical interaction between
p
lants and insects
,
Recent Ad
v
.
P
h
y
tochem
.
1
0
:425 pp
.
6
9
7
THE BI
O
TI
C
ENVIRONMEN
T
accumulated b
y
cucumber beetles. In Lepidoptera the che...
Entomology 3rd edition - C.Gillott - Chapter 3 pps
... Research Council of Canada and the author. B, from R. E. Snod
g
rass,
P
rinciples o
f
I
nsect Morpholo
gy.
Copyright 1935 by McGraw-Hill, Inc. Used with permission of McGraw-Hill Book Company.
]
(
see ... (B) cross
-
section of the proboscis. [From R. E. Snodgrass,
P
rinciples o
f
Insect Morphology
.
Copyright 1935 by McGraw-Hill,
I
nc. Use
d
w
i
t
h
perm
i
ss
i
on o
f
McGraw-H
ill
Boo
k...
Entomology 3rd edition - C.Gillott - Chapter 4 docx
... most s
p
ecies are described on the basis of their structure, es
p
e-
ciall
y
external characters. However, on occasion such “morphospecies” are not equiva-
l
ent to
bi
o
l
og
i
ca
l
spec
i
es (repro
d
uct
i
ve
l
y
i
so
l
ate
d
popu
l
at
i
ons); ... ke
y
. Pictorial ke
y
s, which can be valuable to both specialists an
d
n
on-specialists, include not only printed material but also user-friendl...
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