larva


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  • noun

Words related to larva

the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose

References in periodicals archive ?
For each trial, a larva was introduced to the enclosure using a funnel attached to a plastic pipe to mimic the releasing technique used by the industry during enhancement in the field.
Diamond Darter larvae did not feed on invertebrates, but we observed one case of a larva cannibalizing a younger larva.
The researchers tested this by presenting larva with a video of a writhing larva (therefore no vibration, no sound and no smell) and found that the larvae still detected and sought out the struggling larva on the video.
During the experiment the larvae were observed for five minutes and then three variables were counted: the number of attacks of the predator on the preys (attack was so considered when there was a rapid movement of jaws throwing sand, in an attempt to reach the preys for them to fall into the bottom of the trap); the number of prey escapes (escape was so considered when the larva releases its prey for it to leave or not the trap); and the successful capture of preys for each M.
Each larva was homogenized with 80% ethanol, and the resultant insoluble residue was centrifuged at 2600 x g for 5 min.
Successful prey capture was evaluated according to one of the next three different types of predator and prey interaction: 1--the prey made contact with the middle or posterior part of the syrphid larva with its proboscis; 2--the prey made contact with the anterior region of the syrphid larva with its proboscis and 3--the prey walked over the syrphid larva without making contact with its proboscis.
When prey falls into the pit, it is seized and immobilized by the larva, which consumes the prey's softer parts and then throws the carcass out of the pit.
In the viscera, the primary 4-legged larva molts several times and eventually forms the legless nymph.
For the past 5 years, the lilies in Ed Czarnecki's garden in southwest Winnipeg have been attacked by an unidentified insect larva.
This means that this larval population is either far out of its range: an undescribed larva of a similar genus; or the larvae for a new, undescribed species.
So it becomes important to learn about the life cycles of the different butterfly species that live in your area and what plants are needed for their larva.
The larva does not migrate, but spends between 4 and 14 weeks in the skin developing into a third-stage larva or instar, which can measure 2 cm or more in length (see Figures 1 through 3).
Therefore, contrary to expectation, the presence of a cannibal in a tank significantly increased the likelihood that another larva would develop into a cannibal (Fisher's exact test, P = 0.