5J4 
INSECTS. 
Genus CULEX.— Looks us. 
Generic Character. — With setaceous antennal, consisting of 
about fourteen hairy joints, forming a tuft in the males ; ros¬ 
trum long, enveloping a sucker of five pieces ; wings placed 
horizontally on the body, with scales on the nerves. 
Culex pipiens — The Gnat. 
Plate CL fig. 4. 
Body ash-coloured ; abdominal segments with a brown line ; 
wings transparent, with a slight dusky tinge ; male with plumose 
antennae; three lines long. Inhabits Europe. 
Genus TIP ULA.— Linnaeus. 
Generic Character. —With simple, nearly setaceous antennae 
consisting of thirteen joints, of which the first is the largest, 
and nearly cylindrical, the third elongated ; eyes oval, and en¬ 
tire ; destitute of ocelli; rostrum very short, terminated by 
large lips ; last joint of the palpi long and nodulous ; wings pos¬ 
teriorly reticulated ; legs very long; abdomen club-shaped in 
the males, and in the females ending in a scaly bivalve point. 
Tipula oleracea .— The Pot-Herb Tipula. 
Plate Cl. fig. 1. 
Grayish-brown; spotless, wings with a brown exterior bor¬ 
der. Inhabits meadows in Europe. 
TRIBE II.-TANYSTOMA. 
Rostrum frequently long, wholly or in part concealed; sucker 
consisting of six pieces; larvae with a broad head, and change 
their skin when passing into the pupa condition. 
Genus TAB AN US.— Linnaeus. 
Generic Character —Sucker consisting of six pieces, en¬ 
veloped in a^ projecting double-lipped, membranous rostrum, 
upon which are placed two conical palpi; antennae little longer 
than the head, formed of three pieces, the last thick, elongated, 
and crescent-shaped below, and subulate at the point, and of five 
annulations; eyes banded or spotted, occupying nearly the 
whole head ; three small ocelli; wings horizontal, distinct, and 
triangular ; abdomen conical ; tarsi provided with long tufts. 
