271] THE LARVAE OF THE COCCINELLIDAE— GAGE 39 



caudal margin rounded, is twice as long as its sternum, is dark colored, and 

 bears many short setae. The legs are long, slender, well developed, and 

 the tarsal claw is provided with a distinct appendiculate tooth at its 

 proximal end. 



Hippodamia Mulsant 



The body is fusiform, elongate, and usually widest at the metathorax. 

 The head is brown to dark colored and distinctly setaceous. The epi- 

 cranial arms diverge immediately from the occipital foramen and become 

 obsolete near the antacoriae. The mouth is directed ventrad and slightly 

 cephalad. The dorsum of each thoracic segment is provided with dis- 

 tinctly chitinized shield-shaped areas which constitute the dorsal shields. 

 The dorsal and dorso-lateral aspects of the body are provided with para- 

 scoli. The tergum of the ninth abdominal segment is shield-shaped, 

 setaceous, and with the caudal margin broadly rounded. The ventro- 

 lateral aspect of the body is provided with small strumae; while the sterna 

 are all provided with verrucae. The legs are well developed, extend beyond 

 the sides of the body, stout, and with the tarsal claw not provided with a 

 distinct appendiculate tooth at its proximal end. The coxacoriae are 

 distant. 



Species of Hippodamia 



Dorsal shield with two brown or black chitinized plates on each side 

 of the meson H. convergens 



Dorsal shield with a single brown or dark chitinized plate on each side 

 of the meson H . 13-punctata 



Hippodamia convergens Guer. — The body is elongate, widest at the 

 metathorax, and the dorsal and lateral surfaces are provided with para- 

 scoli. The general color of the body is dark-brown to black, marked with 

 yellow, orange, red, or white. The head is dark-brown to black, the face 

 is lighter than the dorsal part. The epicranial arms diverge immediately 

 from the occipital foramen and become obsolete dorso-mesad of the anta- 

 coriae. The mouth is directed ventrad and slightly cephalad. The pro- 

 thorax, when viewed from above, is oval in outline and wider than long. 

 The dorsal shield is provided with four longitudinal dark colored areas 

 separated by white or orange colored bands. The cephalic and lateral 

 margins of the dorsal shields are provided with chalazae. The dark plate- 

 like spots also bear chalazae and resemble strumae. The mesothorax and 

 metathorax are subequal in length. The dorsal surface of each is provided 

 with parascoli, the pinacula of which have grown together on each side of 

 the meson to form a basal shield. The cephalic portion of each lateral 

 aspect of the mesothorax bears a mesothoracic spiracle, the metathoracic 

 spiracle of each side is rudimentary. The caudo-lateral aspect of the meso- 

 thorax and metathorax are each provided with a distinct parascolus, the 



