19, 5 Heller: New Philippine Coleoptera 561 
Genus DERETIOSOMIMUS novum 
Corpus squamosum supra tuberculosum. Rostrum thorace 
fere aequilongum, apice glabro, subdepressiusculo, basi utrinque 
ad oculum foveola glabra transversa. Antennae funiculo 7-arti- 
culato. Prothorax ‘transversus, abrupte constricto, penicillato- 
tuberculato, lobis ocularibus explicatis. Coxae anticae remotae. 
Mesosternum processu intercoxali parum declivi, processu meta- 
sternali aequo ac coxarum diametro angustiore. Scutellum 
tomentosum. Elytra basi truncata, prothorace latiora, peni- 
cillato-tuberculata. Femora clavata. Sternitum secundum duo- 
bus sequentibus unitis longius. 
Typus, Deretiosomimus angulicollis sp. nov. 
Deretiosomimus angulicollis sp. nov. 
D. arido Pasc.*? multo minor ac plus elongato, fusco-variegatim 
lurido-squamosus, elytris tuberculis lutescenti-penicillatis obsitis, 
ante declivitatem linea transversa albo-squamosa litera M-simili; 
antennis ferrugineis, funiculi articulo primo incrassato, secundo, 
tenuiore, aequilongo, tertio quarto haud longiore, crassitudine 
fere aequilongo; prothorace transverso (5:7) crebre punctato, 
lateribus in duabus trientibus basalibus rectis, parallelis, in 
fronte fere rectangulariter abrupte constrictis, angulis subme- 
dianis ut disco utrinque penicillatis; scutello convexo, subor- 
biculari, fusco-tomentoso ; elytris tenuiter sed distincte punctato- 
striatis, spatio secundo ante medium et in medio, spatio quarto 
in prima secunda, tertia et quarta parte, sed hic minus, peni- 
cillato-tuberculatis, femoribus gracilioribus ac plus clavatis quam 
in arido, ut tibiis in medio infuscatis. 
Long. 5 mm., lat. 2.8. 
Luzon, Laguna Province, Los Bajios. 
Rasily distinguishable from D. aridus Pasc.* by the angulate 
Sides of the densely punctate prothorax, which are straight and 
parallel in the basal half, and abruptly constricted in front. 
Color of scaling luteous, blackish variegate, lateral margin at 
the base, the penultimate interval in the middle with a single 
black dot, the seventh in the apical half with a row of blackish 
dots, before the declivity with an M-shaped white scale line, 
similar to aridus; prothorax on the disk and on the front margin 
with two tufts of erect brownish scale bristles, on the lateral 
angles with a less developed one; elytra finely but distinctly 
“ Journ. Linn. Soc. 11 (1871) 185. 
“Loc. cit. 
