432 



BOAED OF AGKICULTURE. [Pub. Doc. 



EXPLANATION OP PLATES. 



Platk 1 : Fig. 1 , egg of Podisus placidus Uhl. , . 



2, first stage of P. placidus, 



3, second stage of P. 2-)lacidus, . 



4, third stage of P. placidus, 



5, fourtli stage of P. placidus, . 



6, imago of P. placidus, 



7, male genitalia of P. placidus, greatly en- 



larged. 



8, female genitalia of P. placidus, greatly en- 



larged. 



Plate 2 : Fig. 1, egg-mass of Diplodus luridus (Stal), enlarged. 



2, single egg of D. luridus, greatly enlarged. 



3, first stage of D. luridus, greatly enlarged. 



4, full-grown nymph of D luridus, . . .X 



5, male imago of Z). Z?<rid?<s, .... X 



6, female imago of D. luridus, .... X 



7, full-grown nymph of Dendrocoris humeralis 



(Uhl.), X 



8, imago of D. humeralis, . . . . . X _ 



9, head of imago of D. humeralis, greatly en- 



larged. 



10, antenna of D. humeralis, greatly enlarged. 



11, egg of Euschisttis politus Uhl., greatly en- 



larged. 



12, imago of E. politus, X 2| 



13, antenna of E. politus, greatly enlarged. 



14, wing-cases of E. politus, greatly enlarged. 



31 

 21 



Plate 3 : Fig. I, egg of Calosoma frigidum, 



2, reticulations on egg shell, 



3, first laval stage of C. frigidum, 



4, second larval stage of C. frigidum, 



5, third larval stage of C. frigidum, 



6, antenna of larva of C. frigidum, 



7, labium of larva of C. frigidum, 



8, maxilla of larva of C frigidum, 



9, mandible of larva of C. frigidum, 

 10, mandible of larva of C. calidum, 



Plate 4: Fig. 1, full-grown larva of C. frigidum, 



2, egg of C calidum, . 



3, full-grown larva of C. calidum. 



