与 «PYGIDIAL»相关的英语书籍
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1
A Dictionary of Entomology
PYDRIN® See Fenvalerate. PYETT, CLAUDE A (—1903) (Anon. 1903,
Entomologist 36: 296.) PYGAL Adj. (Greek, pyge I rump + -alis I pertaining to.)
Descriptive of structure associated with posterior end of Abdomen, or Pygidium.
PYGIDIAL ...
2
Crustacea and Arthropod Relationships
Pygidial border with segmental spines or serrations. 0: Absent, 1: Present. The
ventrally directed spines of Serrodiscus-like pygidia (see Jell in Bengtson et al.
1990; Rasetti 1966: p. 9) and the laterally directed border spines of other taxa (
e.g., ...
Stefan Koenemann, Ronald Jenner, 2005
In the Dolichoderinae the poison gland is typically reduced, and its function is
replaced at least in part by the abundant toxic secretions of the pygidial gland.
The homology of the pygidial gland has only recently been determined by
anatomical ...
4
Atlas of the Scale Insects of North America, Volume IV
Adult female without pygidial lobes, gland spines or marginal pygidial processes
of any kind 5 Adult female with marginal pygidial processes of some sort, in the
form of either lobes, gland spines or fimbriate structures (not mere slight ...
Atlas of the Scale Insects of North America, Volume IV
5
Sphecid Wasps of the World: A Generic Revision
without pygidial plate, female pygidial plate variable, concave and shining to flat
and dull with sides incompletely carinate (see also key to subgenera).
Geographic range: Cosmopolitan. 109 species are listed. Subgenera
Apurhopalum and ...
Richard Mitchell Bohart, Arnold S. Menke, 1976
6
Advances in Trilobite Research
Development of pygidial F1 . This describes the development of the pygidial F1
furrow. The states are: 0, Weak; 1, Well developed. 1 0. Development of F2. This
describes the development of the pygidial F2 furrow. The states are: 0, Absent; 1,
...
Isabel Rábano, Rodolfo Gozalo, Diego García-Bellido Capdevila, 2008
Other losses associated with the parasitic way of life include loss or reduction of
the stipital comb of L-T bees, of the ba- sitibial plate (see next paragraph), and of
the pygidial and prepygidial fimbriae (see next paragraph), and reduction in the ...
Charles Duncan Michener, 2000
8
Evolutionary and Biogeographic Patterns of Trilobites During ...
16. glabellar furrows --- dorsal view (deep = 0/ shallow or absent = 1) 17. pygidial
axis shape --- dorsal view (funnel-shaped = 0/ ovate = 1) 18. swollen tubercle on
pygidial axial terminus --- dorsal view (present = 0/ absent = 1) 19. posterior ...
9
Palaeobiogeography and Biodiversity Change: The Ordovician ...
1 = strongly convex and pointed, possibly forming distinct anterior 'pre- cranidial'
projection. (17) Surface tubercles (size and density): 0 = no tuberculation, 1 =
light tuberculation, 2 = heavy tuberculation. (18) Number of pygidial axial rings: 0
...
J. Alistair Crame, Alan W. Owen, Geological Society of London, 2002
10
Treatise on Zoology - Anatomy, Taxonomy, Biology. The Myriapoda
Anterior and posterior margins of ventral antennal branch s of the same length,
antennal ventral branch with one seta, q; tergites I-V with many setae inserted
irregularly, first and last legs 5-segmented, remaining pairs 6-segmented,
pygidial ...
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Beetle's Explosive Spray Mechanism Revealed By X-Ray Imaging
The beetles' pygidial glands have multiple parts, including a reservoir chamber, a reaction chamber, and an exit channel. The reservoir chamber contains an ... «The Biological SCENE, 四月 15»
Uncovering the secrets of a beetle's explosive, chemical spray
Scientists have long known that explosions in the beetle's pygidial glands—a pair of abdominal structures that produce defensive secretions—power its spray, ... «Science /AAAS, 四月 15»
Identify Types of Bees: The Andrena Mining Bee
It dries and is rubbed by the female using a flat area near the tip of her abdomen (the pygidial plate) to form a highly polished and stable cell wall. Many Andrena ... «Mother Earth News, 十一月 13»
