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« Previous SpeciesIlybius crassus    Next SpeciesIlybius fuliginosus »

Semiochemicals of Ilybius fenestratus, the Mudswimmer

Phylum:  Arthropoda
Subphylum:  Uniramia
Class:  Insecta
Order:  Coleoptera
Family:  Dytiscidae
Subfamily:  Colymbetinae
Genus:  Ilybius
Tribe:  Agabini
Author:  Fabricius
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Bedoukain RussellIPM

Semiochemical(s):

  Schildknecht H  1971b  J. Insect Physiol.  17: 1889   
    me 8-hydroxyquinoline-2-carboxylate    �Relative ratio of the component�   �(*) indicates that compound is active�   Al
�Category of the chemical signal
A -   Attractant
Al -   Allomone
K -   Kairomone
P -   Pheromone
Sy -   Synomone�
  
�Source of the chemical signal
F -   Female
H -   Host (could be of plant or animal origin)
L -   Lure
M -   Male
M&F -   Male and Female
S -   Solider
Q -   Queen
W -   Worker�
  
�Amount
pg -   Picogram
ng -   Nanogram
�g -   Microgram
mg -   Milligram
g -   Gram�
   		Defense substance 
 
  Schildknecht H  1969b  Chem. Ber.  102: 1859   
    20b-4-pregnenol-3Kt    �Relative ratio of the component�   �(*) indicates that compound is active�   Al
�Category of the chemical signal
A -   Attractant
Al -   Allomone
K -   Kairomone
P -   Pheromone
Sy -   Synomone�
  
�Source of the chemical signal
F -   Female
H -   Host (could be of plant or animal origin)
L -   Lure
M -   Male
M&F -   Male and Female
S -   Solider
Q -   Queen
W -   Worker�
  
�Amount
pg -   Picogram
ng -   Nanogram
�g -   Microgram
mg -   Milligram
g -   Gram�
   		Defense substance 
    testosterone    �Relative ratio of the component�   �(*) indicates that compound is active�    
�Source of the chemical signal
F -   Female
H -   Host (could be of plant or animal origin)
L -   Lure
M -   Male
M&F -   Male and Female
S -   Solider
Q -   Queen
W -   Worker�
  
�Amount
pg -   Picogram
ng -   Nanogram
�g -   Microgram
mg -   Milligram
g -   Gram�
   		 
    17b-1,4-androstadienol-3Kt    �Relative ratio of the component�   �(*) indicates that compound is active�    
�Source of the chemical signal
F -   Female
H -   Host (could be of plant or animal origin)
L -   Lure
M -   Male
M&F -   Male and Female
S -   Solider
Q -   Queen
W -   Worker�
  
�Amount
pg -   Picogram
ng -   Nanogram
�g -   Microgram
mg -   Milligram
g -   Gram�
   		 
 
  Schildknecht H  1967b  Angew. Chem.  79: 579   
    testosterone    �Relative ratio of the component�   �(*) indicates that compound is active�   Al
�Category of the chemical signal
A -   Attractant
Al -   Allomone
K -   Kairomone
P -   Pheromone
Sy -   Synomone�
  
�Source of the chemical signal
F -   Female
H -   Host (could be of plant or animal origin)
L -   Lure
M -   Male
M&F -   Male and Female
S -   Solider
Q -   Queen
W -   Worker�
  
�Amount
pg -   Picogram
ng -   Nanogram
�g -   Microgram
mg -   Milligram
g -   Gram�
   		Defense substance 
 

Reference(s):

Schildknecht, H., and Tacheci, H. 1971b. Colymbetin, a new defensive substance of the water beetle, Colymbetes fuscus, that lowers blood pressure. J. Insect Physiol. 17:1889-1896.
 
Schildknecht, H., and Birringer, H. 1969b. Arthropodenabwehrstoffe, XXXVII. �ber die steroide des schlammschwimmers Ilybius fenestratus. Chem. Ber. 102:1859-1864.
 
Schildknecht, H., Birringer, H., and Maschwitz, U. 1967b. Testosteron als abwehrstoff des schlammschwimmers Ilybius. Angew. Chem. 79:579-580.
 
 
Citation: El-Sayed AM 2025. The Pherobase: Database of Pheromones and Semiochemicals. <http://www.pherobase.com>.
Ⓒ 2003-2025 The Pherobase - Extensive Database of Pheromones and Semiochemicals. Ashraf M. El-Sayed.
Page created on 19-January-2025