GASTROINTESTINAL HELMINTHS OF 9 SPECIES OF SCELOPORUS LIZARDS (PHRYNOSOMATIDAE) FROM TEXAS

A total Of 276 individuals of 9 species of sceloporine lizards from Te xas were examined for gastrointestinal helminths. New host records inc lude Oochoristica sp. in Sceloporus merriami merriami and Sceloporus v ariabilis; Oochoristica scelopori in Sceloporus olivaceus; Atractis pe nneri in Sceloporus merriami merriami, Sceloporus olivaceus, and Scelo porus variabilis; Cosmocercoides variabilis in Sceloporus undulatus hy acinthinus; Physaloptera retusa in Sceloporus merriami merriami, Scelo porus olivaceus, Sceloporus serrifer, and Sceloporus variabilis; Physo cephalus sp. (larvae) in Sceloporus magister bimaculosis; Spauligodon giganticus in Sceloporus merriami merriami and Sceloporus serrifer; St rongyluris similis in Sceloporus grammicus microlepidotus, Sceloporus merriami merriami, Sceloporus olivaceus, Sceloporus serrifer, Scelopor us undulatus hyacinthinus, and Sceloporus variabilis; Thubunaea iguana e in Sceloporus merriami longipunctatus; and an acanthocephalan in Sce loporus magister bimaculosis and Sceloporus merriami longipunctatus. T he highest prevalence in the study was recorded for Spauligodon gigant icus in Sceloporus poinsettii (92%). The greatest mean intensity was r ecorded for Atractis penneri in Sceloporus olivaceus (206). Helminth s pecies diversity varied from a high of 8 in Sceloporus merriami to 0 i n Sceloporus graciosus.