150 



INSECTS OF SAMOA. 



Elytra utrinque prope medium plaga laterali triangula nigra, bene definita, 

 vittaque sublaterali nigra cum humero connexa ornata. 



This form is already mentioned in my paper on the Samoa Cerambycids 

 referred to above. 



Upolu : Malololelei, 2.vii.l924 (Armstrong). One specimen only. 



30. Sciadella minuta, sp. n. (Plate I, fig. 4). 



Pallide brunnea, supra pube cana maculisque denuclatis fuscis plus minusve 

 variegata, infra immaculata. Frons transversa, inter antennas depressa. 

 Vertex inter oculos vix impressus. Antennae flavescentes, articulo sexto 

 apicem elytrorum attingente ; scapus unicolor, spinam pronoti haud vel vix 

 attingens, articulo 3° brevior ; articuli 3 US et 4 US aeque longi, 6-1 1 ad basin 

 anguste et obsolete albido-annulati. Prothorax latitudine basali fere longior, 

 pone medium spina parva laterali armatus, lateribus inter spinam et apicem 

 rectis, supra leviter convexus, ad medium marginis apicalis tumidiusculus, 

 dense punctulatus, cano-pubescens vittis duabus abbreviatis discalibus 

 brunneis saepe ornatus, lateraliter sub spinam infuscatus. Scutellum rotun- 

 datum, albido-pubescens. Elytra leviter convexa, subcylindrica, apice singu- 

 latim rotundata, prope basin tuberculo obtuso elongato discali instructa, 

 subseriatim punctata, ante medium leviter transversaliter depressa, maculis 

 brunneis variegata, in parte apicali saepe distinctius cano-pubescentia. Pedes 

 flavescentes, vix fusco-variegati, haud vel parum albo-pilosi ; femora anteriora 

 saepe in medio infuscata. Articulus basalis tarsorum posticorum 2° et 3° 

 simul sumtis brevior. 



Long, corporis 4-5-5 mm. 

 ignotus. 



Femora postica apicem segmenti 4 ventralis haud superantia. Seg- 

 mentum ventrale ultimum apice foveatum. 



Three females, Tutuila : in the centre and at the eastern end, 1070- 

 1200 ft., 21.vi.1918 (Kellers) ; Pago Pago, 10.ix.1923 (Swezey and Wilder). 



This small species is easily distinguished from its congeners by the body 

 being more convex and cylindrical, the pronotum somewhat longer, the antennae 

 paler and the hairs on the legs and the sides of the elytra scanty. The humeral 

 carina of the elytra is very slightly developed. 



