High Altitude Regional Centre, Zoological Survey of India, Saproon, Solan - 173 211, Himachal Pradesh, India.
* Corresponding Author: BAM Khalsa College, Garhshanker, Distt. Hoshiarpur, India.
** Department of Zoology, Punjabi University, Patiala - 147 002, India.
Zizyphus oenoplia Mill. (Fabricius) has been recorded as the new host plant of the common pierrot, Castalius rosimon (Fabricius). The durations, gross morphology and dimensions of various life history stages have been recorded besides observing the larval behaviour, oviposition behaviour in female and myrmecophily in larvae and pupae.