71 
scissurae connexo. Thorax cceruleo-incanus antics lineis 
obscurzs mgris ad latera villosior maculis tribus atris. Scutellum 
lueatum superemmet abdomen. Abdomen atro-coeruleum late- 
l P ostlcec ( ue coerulescentibus nigro irroratum. Pedes nigri 
emonbus rubns. AIcb fuse* lobo base'os dissecto nigricante. 
1 . Equi. 
LSTRUS Antenna, with three articulations the last globose with a 
bristle front deeply sunk in the head. Mouth a simple 
aperture without a trunk. Pal v i two, „f two articulations, 
last rounded, situated in a depression on each side the 
mouth. Membrane of the wings lax and puckered. 
* Stomach Bots. 
Oe. The Knee Bot, or great spotted Horse Bot. Wings opake white 
X 1 a g ° lden tmg6 ’ a transver se black wave and two spots near 
the extremity: a minute black raised dot near the base of the 
wmg. Abdomen reddish brown, with black spots and points 
Legs red. Female with lengthened abdomen, curving underneath:' 
male obtuse. 
In meadows, laying its eggs or nits on the knees, mane, and sides 
ol horses. 
Egg white, oblong, pointed, the other extremity obtusely truncated 
with a lid Larva or Grub barrel-shaped, at one end thpenno- 
obtuse at the other, covered with a thick skin, beset with a double’ 
low of prickles round each joint, alternately placed. 
In the stomach of the horse, to which it adheres by two short black 
hooks, one each side the mouth. 
The Pupa or Chrysalis oval, dark red, rough with prickly points, 
under dung. ' ^ ’ 
Hemorrhoidahs. Oe_ The Lip or Fundament Bot. Wings without spot, brown 
Face white, antennee in a black pit or depression. Body thinly 
covered with hair, greyish in the middle of the thorax and abdo 
men black shining, base of the latter white, and extremity red 
orange. Beneath grey, hairy. Legs pale red. 
In meadows, laying its eggs on the lips of the horse.. 
Egg black, oblong with a petiolus or foot stalk. 
Larva white, with spines or prickles like the former, but less and 
rounder. 
