Biology:Empusa pennata
| Empusa pennata | |
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| Species: | E. pennata
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| Empusa pennata (Thunberg, 1815)
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Empusa pennata, common names conehead mantis in English and mantis palo in Spanish, is a species of praying mantis in genus Empusa. It can be found in Spain and parts of Portugal, Iran, France , Lebanon, Central and Southern Italy, Bulgaria and Greece. The species invalidly cited by their synonyms in many tropical checklists such as in India and Sri Lanka.[1]
General information
Empusa pennata generally has large and thin body along with a great flying apparatus by their pair of wings and light body mass. Also, they are mostly found in perennial herbs and scrubs. There are three ways for insects to find mates: chemical, acoustic, and visual signals. Cryptic coloration is significant to some predatory insects like Mantids, which is used to protect themselves from predators and to capture their prey.[2]
This species of mantis, although similar in size to the common European mantis (Mantis religiosa), is easily distinguished by the protrusion from its crown. Both male and females, even from first hatching carry this tall extension giving them a very alien appearance. They live in areas that are warm and dry and use their cryptic colouring of either greens and pinks or various shades of brown to keep them hidden from predators. The female may grow to a length of 10 cm while the male is shorter and slimmer. The male has distinctive ‘feather’ type antennae as shown on the image above.
Nocturnal pheromone release
However, insects that depend on vision will hinder to find their mate because they will be undetectable to each other. Therefore, as an alternative way to find mates, sex pheromone is used. The releasing of sex pheromone by Empusa pennata is an adaption derived from sexual selection.[3]
Feeding ecology
Mantids stalk their prey and pounce on it, grasping it with their raptorial forelegs. Only living prey is selected and it is consumed directly after the catch. The predator orients itself optically, and therefore only takes notice of moving prey. The maximum size of prey which mantids can overwhelm is species-specific and depends on the prey type. On average mantids eat crickets of 50% their own body weight, while cockroaches can weigh up to 110%.
External links
References
- ↑ "CHECK LIST of Mantodea (=Mantoidea or Manteodea) of India". shodhganga.inflibnet.ac.in. http://shodhganga.inflibnet.ac.in/bitstream/10603/48727/12/12_check%20list.pdf. Retrieved 8 June 2016.
- ↑ Gemeno C, Claramunt J, Dasca J. 2004. Nocturnal Calling Behavior in Mantids. Journal of Insect Behavior 18(3):389-403
- ↑ Nentwig W, Reitze M. 1991. Comparative investigation into the feeding ecology of six Mantodea species. Oecologia 86(4):568-574
Wikidata ☰ Q135372 entry
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