Redescription of Female Laelaps nuttalli Hirst, 1915 (Acari: Dermanyssoidea: Laelapidae) with Emphasis on Its Gnathosoma, Sense Organs and Pulvilli

Figure 1

Scanning electron micrographs of dorsal and ventral surfaces of female Laelaps nuttalli. (a) Chaetotaxy of the dorsal shield showing distribution of 40 pairs of setae. Black lines connect setal sockets in each series which include j1–j5, z1–z6, s1–s5, r1–r6, J1–J5, Z1–Z4, S1–S4, and R1–R5. (b) Posterior region of dorsal shield showing long pointed setae and considerable striations. (c) Whole ventral side showing gnathosoma (gn), sternal plate (sp), epigynial plate (ep), endapodal plate (d), anal plate (ap), peritreme (p), and 4 pairs of legs (I–IV). (d) Sternal plate (sp) carrying 3 pairs of long pointed setae, epigynial plate (ep) carrying 4 pairs of pointed setae, endapodal plate (d) carrying 1 long pointed seta, and coxae of the first three legs carrying short stout posteriorly directed spurs (arrows).