156 INSECTS AFFECTING THE ORANGE. 



itself by a movement, and it will even suffer itself to be crushed with- 

 out exhibiting any signs of life. 



The color of the caterpillar a cinnamon-brown and its flattened, 

 wrinkled form give it an extraordinary resemblance to a shriveled bit 

 of twig or leaf. The deception is rendered perfect by the presence in 

 the web, whether by accident or design, of dry fragments arid petioles 

 of orange leaves which have fallen from the surrounding branches. 



In these web-tangles not only the spider lives sociably with others of 

 its kind, hanging their egg-sacks in the net, and raising their young, 

 sometimes in numerous colonies, but two other insects unite in the re- 

 markable confederation, and form for mutual protection a sort of ento- 

 mological happy family. These are a small tree Cockroach and a coral- 

 red bug (Hemipteron), both of which breed and lurk in the tangles, 

 passing with facility over and between the meshes of the net, and evi- 

 dently feel perfectly at home there. The bug is, however, known to 

 be a predatory species, and feeds upon the eggs and young of the 

 Mealy-bug (see Chapter VI). 



The caterpillar of Anasglis (Plate XIII, Fig. 1, a) is long, slender, and 

 somewhat flattened, in color rusty or cinnamon-brown, with a faint 

 tinge of green ; beneath, dull green. The body is finely wrinkled and 

 speckled with minute white dots and with a row of bristles on each 

 side, having a large white dot at the base of each. The second joint 

 and last joint of the body paler. Head mahogany-brown. Length, 19 

 to 20 mm (& inch). 



Pupa clear brown, finely and densely speckled with darker brown, 

 the intermediate shades producing a dark mahogany color; the breath- 

 ing pores on the sides are prominent and jet-black in color. Terminal 

 point (cremaster) red-brown, furnished with six or eight rather long 

 hooklets. It is usually suspended, like the larva, in a more or less hori- 

 zontal position in the thicker parts of the web ; sometimes naked, but 

 generally with a light, loose tangle of web and bits of excrement gath- 

 ered about it. The length is less than half that of the larva. 



The imago is a dainty little moth, with silver-gray wings, marked with 

 a broad band and several wavy lines of purple- black, and with parti- 

 colored legs. It has the triangular form characteristic of the PyralidaB 

 sometimes called Deltoides, from the outline assumed by the wings when 

 at rest, which is that of the Greek A. The eyes are large, prominent, 

 and black. The rather heavy antennas curving backwards, and the 

 pointed maxillaa directed upwards like horns, instead of forward in line 

 with the head, give an air of alertness to the insect. 



The egg is laid singly upon a strand of the web, either of the larva or 

 the spider with which it is associated. It is spheroidal, pearly, yellow- 

 ish white, and adorned with a microscopic pattern, consisting of elevated 

 points, from each of which five pairs of raised lines radiate to the five 

 surrounding points. 



