
substance causing an insect to stop moving
Found on
http://phrontistery.info/a.html

A chemical or physical source (light, heat, etc.) that causes an organism to aggregate in contact with it, the mechanism of aggregation being kinetic or having a kinetic component. An arrestant may slow the linear progression of the organism by reducing actual speed of locomotion, or by increasing the turning rate. An arrestant does not attract, but retains organisms once in the vicinity....
Found on
http://www.encyclo.co.uk/visitor-contributions.php

a substance that interrupts the normal development of an insect.
Found on
https://www.infoplease.com/dictionary/arrestant
No exact match found.