Description
The general criteria and observations are indicated directly on the photos. Here is a comprehensive list of the main characteristics for Aphelenchoides besseyi:
- Length in mm: 0.57-0.84 (female)
- Head shape: Slightly « offset » and lips prominent wider than the body
- Stylet length in µm: 10-12.5
- Median bulb oval
- Nerve ring behind the muscular median bulb
- Excretory pore near anterior edge of the nerve ring
- Length of the post-vulval sac in female: 1/3 or less of the distance between the vulva and the anus
- Position of the vulva relative to the anterior end, expressed as a % of the body length in female: 68.7-73.6
- Number of lateral lines: 4
- Shape of tail: conoid
- Shape of mucro: 3 to 4 pointed processes
