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United States Department of Agriculture

Agricultural Research Service

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P. penetrans
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Pratylenchus penetrans (Cobb, 1917) Filipjev and Schuurmans Stekhoven, 1941

Morphometrics

Measure

P. penetrans

ARS photo by Lynn Carta: Pratylenchus penetrans

Length (mm)

0.43-0.81

a ratio

19-32

b ratio

5.3-7.9

c ratio

15-24

V %

75-84

Stylet  μ

15-17

TA #

15-27

Ll #

4

PUS /VW

1-1.5

PUS/V-A %

-

Eso Ovr  μ

32-65 (50)

Males

present 1M:1F

Lips

3

Excr. Pore

E-I J

phas ann-tt

-

 

Cobb, N. A. 1917. A new parasitic nema found infesting cotton and potatoes. Journal of Agricultural Research 11:27-33.

Filipjev, I. N.and J. H.  Schuurmans Stekhoven Jr  1941. A Manual of Agricultural Helminthology E J Brill, Leiden.

Roman, J., and H. Hirschmann. 1969. Morphology and morphometrics of six species of Pratylenchus. Journal of Nematology 1: 363-386.

Tarté, R. & W. F. Mai. (1976). Morphological variation in Pratylenchus penetrans. Journal of Nematology 8, 185-195.

Taylor, D. P. and W. R. Jenkins. 1957. Variation within the nematode genus Pratylenchus with descriptions of P. hexincisus n. sp. and P. subpenetrans n. sp. Nematologica 2:159-174.

 

Last Modified: 10/26/2005
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