Bul. 737, U. S. Dept. of Agriculture. PLATE I. 
EGG AND LARVA OF THE TOBACCO BEETLE (LAS!IODERMA SERRICORNE). 
Fig. 1.—Front view of face. Fic. 2.—Side view of larva. Fia. 3.—Thoracie and abdominal areas: 
aa, Parasternum; a, labial palp; ae, alar area; 6b, stipes labialis; c, mentum; d,submentum; d/, dorso- 
lateral suture; e, gula; f, presternite; g, antenna; h, ocellus; i, stipes maxillaris; k, cardo; 7, epistoma; 
m, clypeus; n,labrum; 0, preepipleurum; oe, basisternum; p, epipleural lobe; g, postepipleurum; r, 
prehypopleurum; s, posthypopleurum; ¢, prescutum; wu, scutum; v, scutellum; vl, ventro-lateral 
suture; x, postscutellum. Fia. 4.—Anterior portions of face (labrum, ¢elypeus, epistoma, and frons): 
Ant, antenna; c, clypeus; el, epistoma, lateral part; em, epistoma, median part; f, frons. Fia. 5.— 
Prothoracic leg. Fia.6.—Mandible, ventral side. Fic. 7.—Underside of head: a, Maxillary articu- 
lating skin; c, cardo; ep, epicranium; g, gula; h, hypostoma; lc, lacinia; m, mentum; 0, ocellus; ps, 
piesvernunt; sm, submentum; stl, stipes labialis; x, process between lacinia and_hypopharynx. 
IG. 8.—Egg. (Figs. land 8 drawn by Joseph D. Smith; figs. 2-7 drawn by Adam G. Boéving.) 
