Sentence examples for two instars from inspiring English sources

Muscidae, for example, are arranged in three groups according to whether they are trimorphic (i.e., have three free larval instars), dimorphic (i.e., pass the first instar in the egg, have two free larval instars), or monomorphic (i.e., pass the first two instars in the egg, have one free larval instar).

The first two instars are known to be the most critical stages for lepidopteran larvae [57]; moreover, M. sexta larvae normally do not move among leaves during the first two instars [41].

Overall, we found two instars at 14 sites and three instars at 10 sites within the same calendar year.

Aphids (Macrosiphoniella sanbourni Gillette) were collected from field-grown chrysanthemum plants, two instars nymphs were fostered and chosen to inoculate plants.

Injection of dsRNA corresponding to the eye colour gene vermilion into first instar nymphs triggered suppression of ommochrome formation in the eye lasting through two instars equivalent to 10 14 days in absolute time.

During these three instars, internal wing development occurs.

We've brought thousands past their first three or four instars — their first molts — and released them to the wild, but we have no way of knowing what happened to them.

Along the second line of evolution of flies, Brachycera have from five to eight instars while the maggots of the most advanced flies (Cyclorrhapha) have only three.

After five to six instars, the nymphs will molt into adults.

The emerging nymph passes through six or seven instars before reaching adulthood.

After completing four instars, the caterpillars spin an open network cocoon.