Subfamily Trichodorinae

                                             Rev 08/03/20

Classification:

Enoplea
Triplonchida
Trichodoridae
Trichodorinae

Small subfamily with four genera recognized as of 1996:

• Trichodorus Cobb, 1913
• Paratrichodorus Siddiqi, 1974
• Monotrichodorus Andrássy, 1976
• Allotrichodorus Rodriguez, Sher and Siddiqi, 1978

Etymology - from the Greek trichos (a hair) and dory (a spear).

Morphology and Anatomy:

Trichodorus and Paratrichodorus diovarial, Monotrichodorus and Allotrichodorus monovarial.

Caudal alae usually absent in males of Trichodorus, but occur in Paratrichodorus and Allotrichodorus.

Males of all genera with a single testis.

Vary in length from 0.4 to 1.8 mm. Usually rounded at both ends.

Cuticle tends to swell in water and fixative when nematodes killed.

Curved onchiostyle with dorsal groove.

Distribution:

Trichodorus and Paratrichodorus occur worldwide, Monotrichodorus and Allotrichodorus only reported from South and Central America as of 1996.

Economic Importance:

Wide host range, stunt roots, transmit Tobacco Rattle Virus, Pea early-browning Virus and Pepper Ringspot Virus.

Feeding:

At root tip.

Hosts:

Life Cycle:

Damage:

Root elongation ceases.

Management:

References:

Decraemer, 1995.

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