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0 und 1 zusammen 16 Larven von Paiiagrolainzus und Acrobeloides zu beobachten. Pana- grolaimlls trat im Verlaufe des Versuches ohnehin bis zur Bedeutungslosigkeit zuruck. Weshalb aber bei Acrobeloide.r keine Vermehrung einsetzte, bleibt ul1klar. Bemerkenswert ist die Feststellung, daf3 in Reihe 2

In: Nematologica

other morphological features are des- cribed and compared for two Cephalobus species, two Heterocephalobus species, Acrobeloides nanus, Cervidellus neftasiensis, Acrobeles singulus, Macrolaimellus longicauda, Seleborca mariannae and Teratolobus regulus. Keywords: Scanning electron microscope, morphology

In: Nematologica

taxa Plectus, Wilsonema schuurmansstekhoveni, Teratocephalus stratumus and Metateratocephalus crassidens were found in the upper soil horizons. Only Acrobeloides buetschlii and A. nanus preferred deeper soil layers. Root and fungal feeders were mainly species of Filenchus and Aphelenchoides. In general

In: Nematologica

Cephalobidae species, we found that P. goodeyi sequences from Waeyenberge ( 2007 ) and Zhang et al . ( 2015 ) are 98.6% similar to Acrobeloides cf. nanus (Fig. 2). The ITS sequence of this A . cf. nanus is sister to the ‘ P. goodeyi ’ sequences and they are clustered together within a monophyletic

In: Nematology

of width and tail length. Females from the field are much shorter and more slender, and have a shorter tail than those from the cultures, which agrees with observations on Acrobeloides nanus (de Man, 1880) Anderson, 1968 (Bostr6m & Gydemo, 1983). Ranges of pharynx length in females from agar and soil

In: Nematologica

larvae of R. reniformis to 1000, 2000, 3000 and 4000 ppm. of the herbicide solution for 8 and 24 hours in each case, did not affect either infectivity or reproduction of the nematode. The saprophagous nematodes killed by EPTC treatment were Acrobeles sp., Acrobeloides sp., Rhabditis sp., Chiloplacus sp

In: Nematologica

predation took place in a population of 200 prey individuals and when predators starved for twelve days were used at 25-30°C. Acrobeloides sp. Cephalobus sp., Panagrellus redivivus and second stage juveniles of Meloidogyne incognita and Anguina tritici were most preferred by both predators. No preda- tion

In: Nematologica

RHABDITIDA Acrobeloides narzrrs (de Man, 1880) B1f1lOnema sp. Cylindrocorpus longiJtoma (Stefa6ski, 1922) Goodey, 1939 Diplenteron potohikus (Yeates, 1969) Yeates, 1969 Diploscapter coronata (Cobb, 1893) Cobb, 1913 Mesodiplogaster lheritieri (Maupas, 1919) Goodey, 1963 Panagrellus redivivoides (Goodey, 1943

In: Nematologica

. As S. caverna n. sp. is a predator, the nematodes were transferred to an NGM plate that had previously been inoculated with prey species. An unidentified Acrobeloides sp. that was concomitantly isolated from the guano with S. caverna n. sp. was used as the prey (food) species. After the

In: Nematology

rate. Similar effects are likely to occur in the field, and can influence mycorrhizal development or affect competition between soil fungi. Besides A. saprophilus, the saprophagous nematode Acrobeloides nanus reproduced well in cultures with mycorrhizal fungi. There may be an element of substrate

In: Nematologica