ENTOMOLOGY. Uy 
Genus CCCXXXVIII. Pserapuus. Herbst, Pay- 
kull, Iliger, Latreille, Panzer. ¥ ~ 
Antuicus. Fabr. 
Antenne with the two or three last joints larger than 
the rest, the extreme joint ovoid. Labial palpi much 
-eylindric. Maxillary palpi mach porrected. Tarsi 
one nail, 
Elytra short. Antenna: six-jointed. | Mandibles 
ticulate and 
cavation in the front ; eee atounae Waejenied 
common peduncle, composed of very short joints, ter- 
minated pre Age elongate branches, 
# obleng ; wings with nerveures diverging 
like rays, folding longitudinally, somewhat membrana~ 
ceous; elytra as if affixed to the base or coxe of the an- 
aoe linear, a salons , at first 
iverging from the ly; then curving inwards 
again, lastly again recurving, and not in the slightest 
ee covering the — Legs equal or nearly so 
in com . four anterior ones xi= 
mate, the hinder pair remote; all furnished with tro- 
chanters, of which the two hinder ones are shortest. 
Tarsi four-jointed, the first joint largest, the last un- 
armed.” * 
Genus CCCXLI. Srvzops, Kirby. 
superior branch articulated. Palpi first obconic, large, 
compressed ; second, semi-ovate acute, hollow beneath. 
Eyes pedunculated, 
joint notched. Mandibles thicker at their extremities. 
Larva unknown; it resides within the bodies of 
the Andrenides. 
Pura witha fleshy body, bearing a corneous exserted 
head. It is found between the joints of the abdomen 
distant. Antenne inserted in an ex- Metabolia, 
S41. Srv- 
Antennz bipartite; the branches compressed ; the “°** 
of certain Andrenides. 
Orper IV. STREPSIPTERA. Sp. 1. Melitte. Melittx. 
enus CCCXLII. Xenops. Rossi, Kirby. _ 342. Xe- 
Antenne bipartite; the branches not jointed, semi- yops, 
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rounded. Palpi, first joint compressed, flexuous ; se- 
cond ovate, acute. Eyes pedunculated, composed of 
fewer than those of Sytors; the septa thick. 
er, and more elevated. Abdomen exserted, horny; anus 
fleshy. Tarsi with last joint entire. Mandibles thick- 
pay Fe am ne a 
Larva parasitical in the bodies of the Vespides; bo- 
oe Pose age WI SR CATA Na 
Pura i under joints of the abdomen of 
the Vespides. Body linear, y ; head horny and 
Scsartol: lapcanbo ol thpapas deamionnaienticoaies 
dows ery 28 
Sp. 1. Peckii. Sooty-black-brown ; antennz with Peckii. 
the branches more dilute, dotted with white; anus 
pale ; feet lurid ; tarsi brown. 1} line. 
Xenos peckii. Kirby, Lin. Trans. xi. tab. 8. and 9. 
The larva and papa inhabit the of Polistes fus- 
cata of Fabricius, which is found in i 
Body sooty-black-brown, covered with a velvet- 
down, which can only be seen by means of avery strong 
glass. Head between the antennze gp en, ele- 
vated. Palpi with first joint longest. enn Lae. 
er than the ; pale brown, almost diapha- 
with minute dots of white. Thorax 
cinereous-whitish, the mar- 
in thicker, black. Legs cinereous, or ra- 
lurid. Toarsi blackish. Abdomen darker than the 
rest of the body. Anus pale red. 
The branches of the antenne have their inner sur- 
face plain, and are probably, under certain cireumstan- 
ces, applied to each other, so as to form a single colum- 
nar branch. The white dots, Mr Kirby suspects, may 
the detailed character; we must therefore refer to Mr Kirby’s paper, Linn, Trans. 
