58 



INSECTS OF SAMOA. 



jbead is another common feature, as -are also the close proximity of the ocelli 

 and the sudden dip of the crown, so that the median ocellus looks directly 

 forward. The meracanthus resembles closely that of Sawda froggatti Dist. It 

 may be noticed that Saivda is an Austro-Malayan genus, with one species (known 

 only from the female) also in Fiji. The present form could perhaps have been 

 derived from a SaivdaAilio. immigrant in Samoa. 



2. Moana expansa, sp. n. Figs. 1-3, 22. 

 Male : dull olivaceous brown (type probably faded). Frons, sides of 

 abdomen, and legs somewhat paler. A little scattered pale decumbent 

 pubescence on thorax and abdomen, but no hairs. Ocelli edged with blackish. 

 An indistinct paler median longitudinal stripe on pronotum. Mesonotum 

 shining, with two narrow black longitudinal stripes on each side of disc, the 



Text-fig. 2. — Moana expansa, last nymphal Text-fig. 3. — Moana expansa, abdominal 



instar, fore femur. extremity of last nymphal instar 



of male. 



inner pair impressed and about two-thirds length of outer pair, which nearly 

 reach cruciform elevation. Tergites II-VII smudged with blackish centrally, 

 and II-VIII laterally also. Tegmina hyaline, the veins brownish, darker 

 distally. 



Crown (including that part of frons visible dorsally) a little longer than 

 basal width between eyes, and equal in length to disc of pronotum without 



