170 Orprr—H YMENOPTERA. 
mas) in fcemina breviores et paullo crassiores, articulo primo longo, secundo tertio majori, hoc et reliquis parvis, 
ultimo ovali; mandibule parve apice obtuse 4-dentate (fig. 134, mas); maxille parve, apice lobis duobus 
ciliatis instruct ; palpi maxillares breves 5-articulati, articulis apicalibus tenuioribus (fig. 13 c); mentum anguste 
ovale ; palpi labiales 3-articulati; collare magnum trigonum vel semi-ovatum ; mesothorax segmentis coalitis 
scutelliformis; metathorax oblongus, in feemina basi paullo angustior; abdomen elongatum cylindricum apice 
in fceemina paullo attenuatum; pedes breves crassi; ale maris satis magne, antice cellulis duabus basalibus 
minutis tantum instructe, stigmate vix indicato, postice aveni. 
The thirteen-jointed antennz in both sexes indicates at once the relationship of Scleroderma to the pre- 
ceding genera, which is further shewn by the similarity of the females to that of Pristocera depressa (pl, XXX, 
fig. 4), whilst the five-jointed maxillary palpi, and the minute basal cells of the wings, at once distinguish it. 
There is a great similarity between the females and those of the Genus Methoca, but the latter have the normal 
number (twelve) of joints in the antenne of the typical aculeate Hymenoptera. There is a considerable number 
of species of this genus, as may be seen by my monograph above cited, and by the work of Nees ab Esenbeck, 
who has introduced several into his Genus Omalus. Mr. Thwaites has sent me a species from Ceylon, the 
female of which has wings. Mr. Haliday took three or four specimens of both sexes of a Scleroderma in a 
chamber in which Attagenus Pellio abounded in the mattresses stuffed with husks of Indian corn. He also once 
observed a swarm of little ant-like insects (which proved to be Scleroderme) between the sheets of a bed 
made upon a sofa in a house at Lucca, and he suggested the probability that the sofa was stuffed with hair 
or wool infested by the Attagenus Pellio. 
The Scleroderma bicolor of Smith, collected in Makassar by Mr. Wallace, is a species of this genus, but the 
Sel. modesta, Smith, brought from ‘ Mysol,’ by Mr. Wallace, belongs to the following Genus Apenesia. Sc/. 
contracta, Westw., Trans. Ent. Soe. vol. ii. p. 169, from Carolina, in the Royal Museum of Berlin, is most 
probably the female of Pristocera atra, or an allied species, 
SCLERODERMA SIDNEYANA. 
Puare XXXI, Fie. 13, male; Fia. 14, female. 
Mas, totus luteo-piceus, levis nitidus ; foemina, fulvescens, seementis abdominalibus magis fuscis marginibus 
posticis fylvescentibus. 
Long. corp. maris lin. 13; feemine lin. 1}; expans. alar. antic. maris lin. 24. 
Habitat; Albania. In Mus. Hopeiano Oxonie. Mecum communicavit Dom. Eq. S. Sidney Saunders. 
Genus NovuMm—APENESIA. 
Characteres e fcemina desumpti (mares ignoti): corpus longum apterum; caput magnum oblongum vel 
subquadratum planum, oculis minutis ex hexagonis perpaucis formatis; ocellis obsoletis; clypeus antice tritu- 
berculatus ; mandibule graciles arcuate apice dentibus duobus majoribus armatis (fig. 124); maxille basi 
corneo crasso, apice lobis duobus (interno parvo) longe setoso; palpis maxillaribus difformibus 4-articulatis 
(fig. 12¢); mentum compressum corneum, angulis anticis lateralibus productis, palpis labialibus 3-articulatis 
setosis, in scapum basalem insidentibus (fig. 12¢); antenne fem. breves 18-articulate, articulo primo longo, 
secundo tertio parum longiori, reliquis brevibus (fig. 12.@); collare magnum subovale ; mesothorax brevis dorso 
subcordato ; metathorax oblongus angulis rotundatis, prope basin contractus; abdomen elongato-ovale ; pedes 
breves crassi, fossorii, tibiis intermediis compressis et spinosis. 
The misshaped 4-jointed maxillary palpi, strong legs, and 18-jointed antenne distinguish the females of 
this genus from the wingless females of the allied genera, as well as from the similar aculeated genera. 
