scholarly journals USE OF ANOPHELES-SPECIFIC PREY-CAPTURE BEHAVIOR BY THE SMALL JUVENILES OF EVARCHA CULICIVORA, A MOSQUITO-EATING JUMPING SPIDER

2005 ◽  
Vol 33 (2) ◽  
pp. 541-548 ◽  
Author(s):  
Ximena J. Nelson ◽  
Robert R. Jackson ◽  
Godfrey Sune
2015 ◽  
Vol 2 (5) ◽  
pp. 140426 ◽  
Author(s):  
Georgina E. Carvell ◽  
Josiah O. Kuja ◽  
Robert R. Jackson

Using Evarcha culicivora , an East African jumping spider (Salticidae), we investigate how nectar meals function in concert with predation specifically at the juvenile stage between emerging from the egg sac and the first encounter with prey. Using plants and using artificial nectar consisting of sugar alone or sugar plus amino acids, we show that the plant species ( Lantana camara , Ricinus communis , Parthenium hysterophorus ), the particular sugars in the artificial nectar (sucrose, fructose, glucose, maltose), the concentration of sugar (20%, 5%, 1%) and the duration of pre-feeding fasts (3 days, 6 days) influence the spider's prey-capture proficiency on the next day after the nectar meal. However, there were no significant effects of amino acids. Our findings suggest that benefits from nectar feeding are derived primarily from access to particular sugars, with fructose and sucrose being the most beneficial, glucose being intermediate and maltose being no better than a water-only control.


2014 ◽  
Vol 9 (1) ◽  
pp. e27930 ◽  
Author(s):  
Lijin Chin ◽  
Arthur YC Chung ◽  
Charles Clarke

2002 ◽  
Vol 59 (4) ◽  
pp. 190-198 ◽  
Author(s):  
John C. Montgomery ◽  
Fiona Macdonald ◽  
Cindy F. Baker ◽  
Alexander G. Carton

1986 ◽  
Vol 36 (4) ◽  
pp. 433-438 ◽  
Author(s):  
David Chiszar ◽  
Charles W. Radcliffe ◽  
Thomas Byers ◽  
Rebecca Stoops

Zoology ◽  
2006 ◽  
Vol 109 (3) ◽  
pp. 171-181 ◽  
Author(s):  
Desirée E. Sasko ◽  
Mason N. Dean ◽  
Philip J. Motta ◽  
Robert E. Hueter

1999 ◽  
Vol 33 (3) ◽  
pp. 362 ◽  
Author(s):  
Tamara L. Smith ◽  
Kenneth V. Kardong ◽  
Vincent L. Bels

1997 ◽  
Vol 200 (14) ◽  
pp. 1951-1964 ◽  
Author(s):  
S Deban

The hypothesis that salamander prey-capture behavior is highly stereotyped was tested in the plethodontid salamander Ensatina eschscholtzii using high-speed videography and kinematic analysis of feedings on two types of prey (waxworms and termites). The results show that E. eschscholtzii is capable of modulating the timing and magnitude of tongue and jaw movements in response to prey type. Feedings on waxworms, the larger prey, were characterized by shorter durations and higher velocities of tongue and jaw movements compared with feedings on termites, particularly in the latter portion of the feeding sequence (i.e. after prey contact). To test the hypothesis that sensory feedback through the tongue pad plays a role in modulating feeding movements in response to prey type, the ramus lingualis of the glossopharyngeal nerve (cranial nerve IX), which is known to carry sensory information from the tongue pad in salamanders, was transected bilaterally. This experimental deafferentation of the tongue pad had no effect on the degree or direction of differences in feeding kinematics across prey type. These results refute the glossopharyngeal feedback hypothesis, but are consistent with the hypothesis that E. eschscholtzii responds more vigorously to larger prey by assessing prey size visually.


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