Lanzavecchia

  

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Rev 06/26/2023

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Lanzavecchia Menu Economic Importance Damage
Distribution Management
Return to Nordiidae Menu Feeding  References
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Classification:

Enoplea
Dorylaimia
     Dorylaimida
Nordiidae
Pungentinae
             
          Lanzavecchia Zullini 1988

Type species of the genus: Lanzavecchia fafner Zullini 1988

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Morphology and Anatomy:

Lanzavecchia fafner female: A. Anterior; B. Genita tract anterior; C. Tail, D: Vulva region. Bar=20 um
From Zullini (1988)		 Lanzavecchia fafner male: A. Posterior, B: Anterior, C: Esophagus base, D: spicule. Bar  = 20 um
From Zullini, 1988
  • Large nematodes, 2.2-8 mm
  • cuticle smooth or with faint punctation
  • Lip regoin slightly offset from body contour
  • Buccl cavity with thick hyaline wall
  • Amphids wide, stirrup-shaped.
  • Odontostyle length > 2x lip width, narrow, slightly bent
  • odontophore with moderate flanges
  • Esophagus expansion starting at about half the length
  • Tail similar in both sexes, conoid, subdigitate

Female:

  • didelphic, amphidelphic
  • Ovaries reflexed
  • spermatheca present
  • Vulva longitudinal

Male:

  • numerous ventromedian supplements

Ref: Andrassy. 2009; Zullini, 1988

  

Body size range for the species of this genus in the database - Click:
 
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Distribution:

Type species decribed from an Ethiopian freshwater lake; other species from fresh or brackish water in Ethiopia and Australia

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Economic Importance:

 

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Feeding:

 

   
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Hosts:
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Life Cycle:

 

For Ecophysiological Parameters for this genus, click 

 

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Damage:

 

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Management:

 

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References:

Andrassy I. 2009. Free-living nematodes of Hungary (Nematoda Errantia). Pedozoologica Hungarica, Budapest, 608 p.

Jairajpuri M. S., W. Ahmad 1992. Dorylaimida. Free-living, predaceous and plant-parasitic nematodes. Brill, Leiden, The Netherlands. 458 p

Zullini, A. 1988. A new genus and five species of nematodes from Ethiopian lakes. Rev. Nematol. 11: 279-288

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Copyright © 1999 by Howard Ferris.
Revised: June 26, 2023.