Ectropina raychaudhurii: Difference between revisions
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'''''Ectropina raychaudhurii''''' is a [[moth]] of the [[Gracillariidae]] family. It is known from [[India]] (Tamil Nadu).<ref>[http://gc.bebif.be/species/show/1625 Global Taxonomic Database of Gracillariidae (Lepidoptera)]</ref> |
'''''Ectropina raychaudhurii''''' is a [[moth]] of the [[Gracillariidae]] family. It is known from [[India]] (Tamil Nadu).<ref>[http://gc.bebif.be/species/show/1625 Global Taxonomic Database of Gracillariidae (Lepidoptera)]</ref> |
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The [[wingspan]] is 5.3-6.6 mm. |
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The [[larva]]e feed on ''[[Phyllanthus niruri]]''. They probably [[leaf miner|mine]] the leaves of their host plant. |
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The [[larva]]e feed on ''[[Phyllanthus niruri]]''. They [[leaf miner|mine]] the leaves of their host plant. The first instar larva mines the lower layer of spongy parenchyma just above the lower epidermis, and makes a small blotch-mine or sometimes a linear mine along the leaf-vein. In the second instar, the larva broadens the mine into a large blotch, which finally occupies almost the full area between two branching veins. Up to this stage, the mine is flat and seen only on the lower surface of the leaf, the mining part being whitish in colour. In the |
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third and fourth instars, the larva which has been transformed into tissue-feeding type, feeds on the remaining tissues within the blotch-mine. The tissues are consumed by the fourth instar larva, thus the upper epidermis of the mining part is completely separated from the lower and turns pale or deep brown in colour. The fully matured mine is slightly contorted by larval |
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silken threads into a tentiform one. The fifth instar larva leaves the mine and migrates to another leaf, which is usually located more distally on the branch. It cuts the leaf from the edge towards the midrib. The part cut off is rolled up from the edge to form a cone on the underside of the leaf, then the larva continues to feed inside the cone. The larva passes two instars within this cone, or may changes the leaf to make another cone. When fully grown, the larva forms a whitish, spindle-shaped cocoon inside the cone, which has a small, round, semitransparent window on the side near the base. |
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==References== |
==References== |
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Revision as of 11:55, 17 November 2010
| Ectropina raychaudhurii | |
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| Scientific classification | |
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| Species: | E. raychaudhurii
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| Binomial name | |
| Ectropina raychaudhurii Kumata, 1979
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Ectropina raychaudhurii is a moth of the Gracillariidae family. It is known from India (Tamil Nadu).[1]
The wingspan is 5.3-6.6 mm.
The larvae feed on Phyllanthus niruri. They mine the leaves of their host plant. The first instar larva mines the lower layer of spongy parenchyma just above the lower epidermis, and makes a small blotch-mine or sometimes a linear mine along the leaf-vein. In the second instar, the larva broadens the mine into a large blotch, which finally occupies almost the full area between two branching veins. Up to this stage, the mine is flat and seen only on the lower surface of the leaf, the mining part being whitish in colour. In the third and fourth instars, the larva which has been transformed into tissue-feeding type, feeds on the remaining tissues within the blotch-mine. The tissues are consumed by the fourth instar larva, thus the upper epidermis of the mining part is completely separated from the lower and turns pale or deep brown in colour. The fully matured mine is slightly contorted by larval silken threads into a tentiform one. The fifth instar larva leaves the mine and migrates to another leaf, which is usually located more distally on the branch. It cuts the leaf from the edge towards the midrib. The part cut off is rolled up from the edge to form a cone on the underside of the leaf, then the larva continues to feed inside the cone. The larva passes two instars within this cone, or may changes the leaf to make another cone. When fully grown, the larva forms a whitish, spindle-shaped cocoon inside the cone, which has a small, round, semitransparent window on the side near the base.
References
 | This article relating to the superfamily Gracillarioidea is a stub. You can help Wikipedia by expanding it. |