P. Hernandezcrespo et C. Santiagoalvarez, DESCRIPTION OF HEXAMERMIS-SERENENSIS SP-N (NEMATODA, MERMITHIDAE), A PARASITE OF DOCIOSTAURUS-MAROCCANUS (THUNBERG) (ORTHOPTERA, ACRIDIDAE)IN SPAIN, Fundamental and applied nematology, 20(1), 1997, pp. 37-42
Hexamermis serenensis sp. n. (Nematoda: Mermithidaea) is described and
all stages of development illustrated. The species is differentiated
by : i) large size (6.5-27 cm), ii) six cephalic papillae arranged in
two opposed groups surrounding the mouth; iii) small thread-like amphi
ds located dorsally and slightly behind the cephalic papillae; iv) vul
var cone well muscularized; vagina in equatorial position, horn-shaped
, perpendicular to long axis of the body; v) vestigial anus present in
females; vi) paired spicules medium sized, curved, with a sharp tip,
vii) six-seven broken rows of genital papillae (n = 96 - 134); viii) t
ail conoid in both sexes, with a small blunt protuberance. Natural hos
ts include the locusts Dociostaurus maroccanus (Thunberg) and Callipta
mus italicus L., and the grasshoppers Dociostaurus genei (Ocsk), Chort
hippus bicolor (Charp.), Spingonotus azurescens (Rb.) and Oedipoda cha
rpentieri, Fieb.