Described
Species of Steinernema:
Steinernema affinis
Steinernema anomali
Steinernema carpocapsae
Steinernema feltiae
Steinernema glaseri
Steinernema intermedia
Steinernema kushidai
Steinernema rara
Steinernema scapterisci
Steinernema
affinis
Description:
Bovien, P. 1937. Some types of association between nematodes and insects. Vidensk. Medd. Dansk Naturhist. For. 101:1-114.
Poinar, G. O., Jr. 1988. Redescription of Neoaplectana affinis Bovien (Rhabditida: Steinernematidae). Rev. Nematol. 11:143-147.
Diagnostic Morphological Features:
1. Males have colorless or gray spicules
2. males have a minute tail mucron
3. hales have a refractile spine in tip of the tail
Molecular Diagnostic Features:
1. Under construction
Steinernema
anomali
Description:
Kozodoi, E. M. 1984. A new entomopathogenic nematode, Neoaplectana anomali sp. N., (Rhabditida, Steinernematidae) and observations on its biology. Zool. Zhur. 63:1605-1609. (better bone up on your Russian)
Diagnostic Morphological Features
1. A slightly swollen tip of its spicule is all that can distinguish an adult from S. glazeri.
Molecular Diagnostic Features:
1. Under construction
Steinernema
carpocapsae
Description:
1. See review in Poinar, G. O., Jr. 1990. Taxonomy and biology of Steinernematidae and Heterorhabditidae, pp.l 23-61. In R. Gaugler and H. K. Kaya (eds.) Entomopathogenic nematodes in biological control. Crc Press. Boca Raton.
Diagnostic Morphological Features:
1. Males have small mucron on the tail tip (1-4 microns)
2. Spicules are gray -yellow, with distinct rostrum and capitulum.
Molecular Diagnostics:
1. Under construction
Steinernema
feltiae
Description:
Filipjev, I. N. 1934. The classification of the free living nematodes and their relation to parasitic nematodes. Smithson. Misc. Coll. 89:1- 63.
Diagnostic Morphological Features:
1. male tail has terminal mucron (4-13 microns)
2. spicules are yellow-orange, no distinct capitulum or rostrum
3. distinguishable from s. carpocapsae by having its excretory pore more anterior
Molecular Diagnostics:
1. Under construction
Steinernema
glaseri
Description:
Steiner, G. 1923. Aplectana kraussei n. sp., einer in der Blattwespe Lyda sp. parasitierende Nematodenform, nebst Bemerkungen uber das Seitenorgan er parasitischen Nematoden. Zentral. Bakteriol. Parasit. Infect. Hyg. Abt. 59:14- 18.
Diagnostic Morphological Features:
1. males lack terminal tail mucron
2. spicules have a terminal ventral notch, hook, or scar.
Molecular Diagnostics:
1. Under construction
Steinernema
intermedia
Description:
Poinar, G. O., Jr. 1985. Neoaplectana intermedia n. sp. (Steinernematidae: Nematoda) from South Carolina. Rev. Nematol. 8:321-327.
Diagnostic Morphological Features:
1. Males don’t have terminal tail mucron
2. spicules are bluntly rounded
3. spicules are strongly curved.
Diagnostic Molecular Features:
1. Under construction
Steinernema
kushidai
Description:
Mamiya, Y. 1988. Steinernema kushidai n. sp. (Nematoda: Steinernematidae) associated with scarabaeid beetle larvae from Shizuoka, Japan. Appl. Entomol. Zool. 23:313-320.
Diagnostic Morphological Features:
1. constricted gubernaculum
2. spicules are colorless
3. spicules have a rounded manubrium
Diagnostic Molecular Features:
1. Under construction
Steinernema
rara
Description:
de Doucet, M. M. A. 1986. A new species of Neoaplectana Steiner, 1929 (Nematoda: Steinernematidae) from Cordoba, Argentina. Rev. Nematol. 9:317- 323.
Diagnostic Morphological Features:
1. Male has only 21 genital papillae (all other congeners have 23 )
2. male mucron is present
3. spicules are lemon yellow
Diagnostic Molecular Features
1. Under construction
Steinernema
scapterisci
Description:
Nguyen, K. B., Smart, G. C., Jr. & Khuong, N. B. 1990. Steinernema scapterisci n. sp. (Rhabditida: Steinernematidae). J. Nematol. 22:187-199.
Distinguishing Morphological Features:
1. Under construction
Diagnostic Molecular Features
1. Under Construction