The Victorian naturalist . 21).Anal pads ovate. Ventral anal lobewith a patch of somewhat short, stout,setae, extrose. Dorsal anal lobe slightlyinflated. Septula wide, inverted V-shaped for about half the length of thesegment. Upper half in region of cam-pus, somewhat V-shaped. (d) Syndesus cornutus (Fig. 22).Tri-lobed, with lobes distinctly in-flated. Anal pads ovate. Dorsal anallobe with distinct almost ovate anal lobes devoid of with numerous, short, introrsesetae and narrow septula extending to,and closed, just beyond the middle ofthe segment. Stridulatory Organs T
The Victorian naturalist . 21).Anal pads ovate. Ventral anal lobewith a patch of somewhat short, stout,setae, extrose. Dorsal anal lobe slightlyinflated. Septula wide, inverted V-shaped for about half the length of thesegment. Upper half in region of cam-pus, somewhat V-shaped. (d) Syndesus cornutus (Fig. 22).Tri-lobed, with lobes distinctly in-flated. Anal pads ovate. Dorsal anallobe with distinct almost ovate anal lobes devoid of with numerous, short, introrsesetae and narrow septula extending to,and closed, just beyond the middle ofthe segment. Stridulatory Organs These are not described but areillustrated in Figures 23-26. A cknowledgements For assistance in field work, collect-ing material and never-ending patience,I am indebted to my wife; specialthanks to Miss Sue Beattie who, inaddition to field work, had the dif-ficult task of searching literature andassisting with laboratory also to Messrs. C. Robbins andF. Douglas for their assistance in col- April, 1975 73. 3mm, Lissapterus howittanus 2 mm. Plate I Mature larvae of Lissapterus howittanus. Fig. 1. Lateral view of larvae. 2. & 2a. Head — dorsal and lateral view. 3. Mandibles — lateral view. 4. Right maxilla and labium ventral view. 5. Leg. 74 Vict. Nat. Vol. 92
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Keywords: ., bookcentury1800, bookdec, booksubjectnaturalhistory, bookyear1884
