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1 February 2005 TWO ADDITIONAL HEPATOZOON SPECIES (APICOMPLEXA: HEPATOZOIDAE) FROM THE SOUTHERN BLACK RACER, COLUBER CONSTRICTOR PRIAPUS (SERPENTES: COLUBRIDAE), IN NORTHERN FLORIDA
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Abstract

Hepatozoon priapus n. sp. from Coluber constrictor priapus has robust gamonts with broadly rounded ends, 18.0 × 4.2 μm (17.0–20.0 × 3.5–6.0), with LW 76.4 μm2 (59–105) and L/W 4.31 (2.9–5.4). The nucleus is always present in second quarter of gamont, seldom extend into first quarter but often into third quarter, 6.0 × 3.0 (5.0–7.0 × 2.5–4.0), with LW 17.9 (13.7–21.0). Erythrocyte cytoplasm is always thin, appearing dehemoglobinized, with infected cells always distorted. Infected erythrocytes are much longer and wider than uninfected cells, with longer nuclei. Oocysts are spherical to ovoid, 92.5 × 86.0 (55–123 × 47–115) and L/W 1.08 (1.0–1.3), contain 14.0 (6–31) sporocysts. Sporocysts, which are also spherical to ovoid, 26.3 × 23.3 (19–50 × 16–38), LW 641.2 (320–1,500) and L/W 1.13 (1.0–2.2), contain 12.6 (5–18) sporozoites. Hepatozoon confusus n. sp., also from C. constrictor priapus, has slender gamonts with rounded ends, 15.6 × 4.1 (14.0–17.0 × 3.5–5.0), with LW 64.3 (52–80) and L/W 3.82 (2.8–4.4). The nucleus is always present in second quarter of gamont, commonly extending into first and third quarters, 5.0 × 2.7 (2.5–4.4 × 4.0–6.0), with LW 13.5 (11.0–16.5). Erythrocyte cytoplasm is sometimes thin, appearing partially dehemoglobinized, with infected cells usually distorted. Infected erythrocytes are longer than uninfected cells but similar in width, with erythrocyte nuclei longer. Oocysts are spherical to ovoid, 115.5 × 108.9 (52–278 × 50–278), with L/W 1.06 (1.0–1.2), and contain 25.0 (7–111) sporocysts. Sporocysts are spherical to ovoid, 27.6 × 25.2 (21–38 × 20–33), LW 701.3 (420–1,125) and L/W 1.09 (1.0–1.4), containing 20.2 (12–32) sporozoites.

Sam R. Telford Jr., J. F. Butler, and Paul E. Moler "TWO ADDITIONAL HEPATOZOON SPECIES (APICOMPLEXA: HEPATOZOIDAE) FROM THE SOUTHERN BLACK RACER, COLUBER CONSTRICTOR PRIAPUS (SERPENTES: COLUBRIDAE), IN NORTHERN FLORIDA," Journal of Parasitology 91(1), 139-143, (1 February 2005). https://doi.org/10.1645/GE-3359
Received: 8 December 2003; Accepted: 1 May 2004; Published: 1 February 2005
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