2o8 ECONOMIC ENTOMOLOGY 



G. Fore wings with fourth and fifth branches of Radius separate, the 

 latter arising from the discal cell. — Pyrauslida. 

 GG. Fore wings with fourth and fifth branches of Radius united at base. 

 — PyralididcE. 

 FF. Hind wings with a fringe of hairs at base of Cubitus. 

 G. Radius of fore wings 5-branched. 



H. Maxillary palpi more or less developed but not triangular 

 as in HH. — Galleriidce. 

 HH. Maxillary palpi well developed, appearing triangular; labial 

 palpi long, straight and projecting forward. — Crambida. 

 GG. Radius of fore wings 4-branched. — Phycitlda. 

 EE. Wings fissured. 



F. Wings with less than five fissures. — PterophoridcB. 

 FF. Wings with five fissures. — Orneodidce. 



Pyralidid^ 



Meal Snout Moth {Fyralis farinalis Linn.). Adult. — A pyralid 

 moth, I inch wing expanse. Fore wings with base and tips dark 

 brown, middle portion Hght brown, two wavy white Hnes crossing 

 wings, bordering the middle portion, hind wings grey with two wavy 

 whitish lines. 



Eggs. — ^Laid in masses; irregular. 



Larva. — ^Lives within a silken tube; dirty-grey, darker at both 

 ends; head brownish-red. 



Pupa. — Brownish-red, in a cocoon. 



Clover Hay Worm (Hypsopygia costalis Fab.). — The caterpillars 

 cause injury to stacked or stored clover, near the ground or floor, by 

 webbing it together and contaminating it with excrement. 



AduU.~^ma\\; ^i inch wing expanse; wings silky, margined with 

 orange and fringed with golden yellow; two large golden spots at the 

 thirds of the fore wings, extending to hind margin as narrow lilac lines. 

 Two straw colored lines on hind wing. Under surface of wings pale 

 yellowish; head and legs straw colored; antennae and palpi pale orange. 

 Two broods. June-July; August. 



Eggs. — ^Laid probably on growing clover heads. June and August. 



Larva. — Three-fourth inch long, dull brown; head, shield and anal 

 plate black after last moult; segments much wrinkled and provided 

 with several smooth shining areas each bearing a fine white hair. 

 Hibernates. 



Pupa. — Honey-yellow; cocoon }2 inch long, oblong-oval, white, 

 silky, intermingled with excrement and bits of hay. 



