84 ENTOMOLOGY. 



thuca ciliata (Say), common on oak-leaves. Tingis 

 clavata Stal. 



Family Cimicidae. Body broad and flat, species 

 sometimes wingless. Cimex lectularia Linn., bed- 

 bug. 



Family Capsidse.^Body oval; antennae thread- 

 like, long, and 4- jointed; the end of the thick 

 part of the hemelytra triangular, and incised out- 

 side. Pcecilacapsus lineatus (Fabr.). 

 FIG. 72. Bed-bug. Family Pyrrhocoridae. Body stouter and larger 

 than in theCapsidae. Dysdercus mturellus Herr-Sch., cottou-stainer. 

 Family Lygaeidae. Body ovate or oblong ; head with a pair of dis- 

 tinct ocelli between the eyes ; mostly red and black or black and 

 yellow insects. Lygims fasciatus Dallas, Blissus leucopterus (Say), 

 chinch-bug. 



Family Berytidae. -Body very slender, with pointed head; and 

 thread-like antennae, clubbed at tip. Neides spinosus Say. 

 Family Coreidae. Body oblong-ovate; antennae 4- jointed ; basal 

 joint of the beak usually the longest. Anasa 

 tristis (De Geer), squash-bug. 



Family Pentatomidas. Scutellum large, tri- 

 angular; head mostly quadrangular ; antennae 

 5- join ted. 



Family Cydnidae. Oval, highly-polished, jet- 

 black insects, having flat heads with the edge 

 turned up, and the legs very spinous. PangcKUS 

 n bilineatus Say. 



FIG. 73. Podisus spi- Family Corimelaenidae. Body hemispherical, 

 urir s"ke e -'Aft a er black ; le S s spinous, fitted for digging. Cori- 

 Riley. meliena atra (Am. and Serv.). 



Family Scutelleridae. Body tortoise-shaped, the scutellum cover- 

 ing nearly the whole upper surface of the abdomen. PacJiycoris 

 torridus Scop. Fla., Mex. 



Family Arthropteridae. Body wide and flat, black, highly polished. 

 Coptosoma globus(F&br.). Eur. 



ORDER IX. NETJROPTERA* (Ant-lions, Aphis-lions, Lace- 



winged Flies, etc.). 

 These are net- veined insects, with a metamorphosis, but 



* SELECTED WORKS. 

 Brauer, F. Beitriige zur Kenntniss der Verwandlung der Neurop- 



tereu (Verh. Zool. bot. Ges. , Wien, iv., v.). 

 - Ueber die Verwandlung des Bittacus italicus und Jiagenii (Verh. 



Zool. bot. Ges., Wien, 1871). 

 Hagen, H. Synopsis of the Neuroptera of North America (1861. 



Smithsonian Institution). 

 Haldeman, S. S., and J. Leidy. History and transformations of Cory- 



dalis cornutus (Mem. Arner. Acad. Arts and Sc., iv.. 1848). 

 Packard, A. S. (External anatomy, in third report U. S. Ent. Comm. 



1883, 335, Pis. LI-LVIII, LXIV) 



Also the writings of Erichson, Fitch, McLachlan, Pictet, Ram- 

 bur, Riley, Schneider, and Westwood. 



