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1 August 2002 CLITELLOCEPHALUS AMERICANUS N. GEN., N. SP. (APICOMPLEXA: EUGREGARINIDA: GREGARINIDAE) FROM CRATACANTHUS DUBIUS (COLEOPTERA: CARABIDAE: HARPALINAE) IN THE NEBRASKA SANDHILLS AND CLITELLOCEPHALUS OPHONI N. COMB. (APICOMPLEXA: EUGREGARINIDA: GREGARINIDAE) FROM OPHONUS PUBESCENS (COLEOPTERA: CARABIDAE: HARPALINAE) IN SÈTE, FRANCE
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Abstract

Clitellocephalus americanus n. gen., n. sp. (Apicomplexa: Eugregarinida: Gregarinidae) is described from Cratacanthus dubius (Coleoptera: Carabidae) collected from Keith County in the Sandhills of western Nebraska. Clitellocephalus ophoni n. comb. is redescribed using original type material from Ophonus pubescens (Coleoptera: Carabidae) collected in Sète, France. Clitellocephalus n. gen. is distinguished by a deltoid epimerite with an internal anterior obconoid structure and a basal toroidal vacuole, which is retained in gamonts. Protomerites are broadly elliptical to cylindrical; deutomerites are narrowly obovate. Association is precocious, caudofrontal, and biassociative, with the satellite protomerite engulfing the posterior end of the primite deutomerite to form an interlock. Gametocysts are spherical. Sporoducts are present but reduced and irregular in number. Oocysts are dolioform, dehiscing in chains. The species described herein are differentiated by their overall size and relative proportion of cellular structures.

R. E. Clopton and C. M. Nolte "CLITELLOCEPHALUS AMERICANUS N. GEN., N. SP. (APICOMPLEXA: EUGREGARINIDA: GREGARINIDAE) FROM CRATACANTHUS DUBIUS (COLEOPTERA: CARABIDAE: HARPALINAE) IN THE NEBRASKA SANDHILLS AND CLITELLOCEPHALUS OPHONI N. COMB. (APICOMPLEXA: EUGREGARINIDA: GREGARINIDAE) FROM OPHONUS PUBESCENS (COLEOPTERA: CARABIDAE: HARPALINAE) IN SÈTE, FRANCE," Journal of Parasitology 88(4), 750-757, (1 August 2002). https://doi.org/10.1645/0022-3395(2002)088[0750:CANGNS]2.0.CO;2
Received: 15 October 2001; Accepted: 1 March 2002; Published: 1 August 2002
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