Abstract
A simple method for determination of the early stages of nymphs of the cricket, Gryllus bimaculatus, was presented. The width of the head-capsules was found to be a useful value to determine the nymphal stages. On this evidence, the testes from 3rd- to 6th-instar nymphs were investigated and histologically analyzed. The number of spermatogonia rapidly increased between the 3rd- to 5th-instars. Primary spermatocytes entered into meiotic prophase at the latest 2 days after ecdysis into the 5th-instar.
| Original language | English |
|---|---|
| Pages (from-to) | 637-639 |
| Number of pages | 3 |
| Journal | Zoological Science |
| Volume | 14 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1997 Aug |
ASJC Scopus subject areas
- Animal Science and Zoology