instar


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instar

[′in‚stär]
(invertebrate zoology)
A stage between molts in the life of arthropods, especially insects.
References in periodicals archive ?
aligarhensis-only treatments, nymphs were separated by instar, and isolated in 2.0 mL microcentrifuge tubes using a fine tipped paintbrush following parasitoid exposure.
In the current investigation, the mean RGR for diets was 0.80, 0.62, and 0.35 for 4th, 5th, and 6th instar, respectively.
Pre-Pupae: The mature larvae of 3rd instar was slightly curved in position, became slothful and stopped feeding and remain inactive for different activities except metabolically.
1: F-G) in the last instar. It is evident, that the larva from this part of Costa Rica is paler colored than samples from ACG and Colombia.
The data presented in table 3 show 34.9% hatchability for the 2nd instar after using (TNTs) and 16.7% hatchability for the 4th instar after using (BtTNTs) while (Bt) resulted in 76.7% hatchability for the 2nd instar only compared to 100% in case of control.
Achyranthes aspera (Amaranthaceae) and Helianthus annuus (Asteraceae) commonly available in the agro-climate of Faisalabad, Punjab, Pakistan were evaluated against 1st instar cotton mealybug following multi choice experiment under laboratory conditions at temperature of 25+- 2degC and relative humidity 65 +- 5%.
ochroloma larvae, offered to the nymphs in similar proportions ad libitum, and the larvae were left inside the cage until the nymphs reached the final instar.