510 
INSECTS. 
rious trunks considerably longer than the head, and bent in the 
middle; palpi very slender; with cylindrical joints. 
Ammophila viatica. — The Wayside Ammophila. 
Plate C. fig. 5. 
Black, beset with hairs; second and third segment of the ab¬ 
domen reddish brown; upper wings brown. Inhabits England. 
TRIBE V.-DIPLOPTERA. 
Wings longitudinally folded; antennae geniculate in most spe¬ 
cies, and thickened or clavate towards the extremity; eyes 
notched; prothorax extending laterally to the origin of the supe¬ 
rior wings; feet of middle length, and not constructed for col¬ 
lecting pollen. 
Genus VESPA.— Linnceus. 
Generic Character. —Labium consisting of three parts, 
straight, the middle one heart-shaped, slightly elongated, with 
four glandular projections at the extremity; maxillary palpi six- 
jointed, and the labia four-jointed, mostly short and subconic; 
mandibles short, hardly longer than broad, obliquely truncated 
at the tips ; hood nearly square, the middle of the anterior mar¬ 
gin truncated with a tooth on each side; abdomen oval, conical, 
and truncated at the base before. 
Vespa crahro. — The Hornet. 
Plate C. fig. 3. 
Antennae dusky, rust-coloured at the base; head ferruginous, 
downy; mandibles yellow at the base, and black at the tips ; 
thorax black, downy, brownish in front; first ring of the abdo¬ 
men black, rusty at the base, the others black and yellow. In¬ 
habits Europe, in hollows of aged trees. 
TRIBE VI.-MELLIFERA. 
The wings of all the individuals are extended ; posterior tarsi 
with a large, compressed, square, or triangular first joint; gene¬ 
rally provided with a tuft for collecting the pollen of flowers ; 
jaws and lips usually long and narrow, forming a long proboscis ; 
chin prolonged, and supported on a moveable pedicle ; with a 
lanceolate, or filiform, long and hairy labium. 
