Sub-0rder TYLENCHINA

Rev: 08/03/20

•        all have movable hollow stylet.   

Classification and Characteristics Chart of the Sub-order Tylenchina

• Sub-orders
• Superfamilies
• Families
• Genera

Morphology and Anatomy:

Superfamily Tylenchoidea

• stomatostylet and three-part esophagus.
• dorsal esophageal gland opening (DEGO) in procorpus, close behind base of stylet
• parasites of Angiosperms (monocotyledons and dicotyledons), fungi
• male with at most 1 ray in caudal alae, blade-shaped spicule
• Tyl = knobbed; enchos = spear.

Powerpoint display of anatomical features - Cacopaurus pestis

Superfamily Aphelenchoidea

•  DEGO in metacorpus
• early plant parasites? Hosts are Gymnosperms, ferns, ornamentals/nursery, fungi, insects
• males with 6 rays in caudal alae and "rose-thorn" -shaped spicules

• Aphel = smooth; enchos = spear

Superfamily Sphaerulatioidea

• parasites of insects

Return to Order Key

Return to Higher Classification Page

Return to Main Menu

Go to Nemaplex Main Menu