84 THE GYPSY MOTH APPENDIX. 



EXPLANATION OF PLATES. 



PLATE 1: Fig. 1, egg of Podisus placidus Uhl., . . . . X 13 



2, first stage of P. placidus, . . . x 9 



3, second stage of P. placidus, . . . . X 6 



4, third stage of P. placidus, . . . X 4 



5, fourth stage of P. placidus, . . . . X 3 



6, imago of P. placidus X 3 



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 2 



5, male imago of D. luridus, . . . x 2 



6, female imago of D. luridus, . . . . X 2 



7, full-grown nymph of Dendrocoris humeralis 



(Uhl.), X 3i 



8, imago of D. humeralis, X 2^ 



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



larged. 



10, antenna of D. humeralis, greatly enlarged. 



11, egg of Euschistus 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. 



PLATE 3 : Fig. 1, egg of Calosoma frigidum, . . . . x 4-j 



2, reticulations on egg shell, . x 300 



3, first laval stage of C. frigidum, . . x G 



4, second larval stage of C. frigidum, . . x 4 



5, third larval stage of C. frigidum, . . . X 3| 



6, antenna of larva of C. frigidum, . . x 20 



7, labium of larva of C. frigidum, . . X 20 



8, maxilla of larva of C. frigidum, . . . x 20 



9, mandible of larva of C. frigidum, . . x 20 

 10, mandible of larva of C. calidum, . . . x 20 



PLATE 4: Fig. 1, full-grown larva of C. frigidum, . . x 24 



2, egg of C. calidum, . . . . . x 44 



3, full-grown larva of C. calidum, , . . X 2i 



