Papers on the cotton boll weevil and related and associated insects . as Br aeonmellitorSay?, and Catolaccus incertus small ant, Solenopsis geminata Fab.,a was noticed to be activelyengaged in removing larva? and pupa? from the pods which hadweevil exit holes in them, but in no case did the ants make an entrancethemselves. In the parasite breeding cages thousands of small mites wereobserved by Mr. W. W. Yothers, who reported that their presence inno way incommoded the weevils. To determine the average number of weevils that may infest thechilli peppers, several experiments were tried, w
Papers on the cotton boll weevil and related and associated insects . as Br aeonmellitorSay?, and Catolaccus incertus small ant, Solenopsis geminata Fab.,a was noticed to be activelyengaged in removing larva? and pupa? from the pods which hadweevil exit holes in them, but in no case did the ants make an entrancethemselves. In the parasite breeding cages thousands of small mites wereobserved by Mr. W. W. Yothers, who reported that their presence inno way incommoded the weevils. To determine the average number of weevils that may infest thechilli peppers, several experiments were tried, with the following-results: Experiment Number ofNo. pods. Number ofweevils Period covered,emerged. 1 80 2 230 200 86 Oct. 18-Nov. Oct. 18-Xov. Oct. 18-Oct. 31. 4 100 Total .. 610 508 Thus it will be noticed that an average of nearly one adult to eachpod was bred. See Bui. 63, Pt, III. Bur. Ent., U. S. Dept. Agric. An Ant Enemy of the Cot-ton Boll Weevil. Bv W. E. Hinds. Bui. 63, Part V, Eureau of Entomology, U. S. Dept. of Agricul Plate I. Work of the Pepper Weevil (Anthonomus /eneotinctus Champ). Fig. 1—Emergence holes of adult in chilli pepper. Fig. 2.—Full-grown larva in situ in chillipepper. Fig. 3.—Pupse in cells in chilli pepper. Fig. 4.—Undeveloped bell pepper pod,showing numerous egg and feeding punctures. Figs. 5, 6.—Malformed bell pepper pods,caused by egg punctures. Figs. 1-3 three times natural size; fig. 4 twice natural size; , 6 one-half natural size. (Original.) NOTES ON THE PEPPER WEEVIL. 57 The maxim am numbers of individuals found in two pods were asfollows: Pod. Adults. Pupae. Larvae. Total. 2 5 5 2 6 911 Many pods showed six egg punctures, from which five larvae, inone instance, developed. It was also noticed that in nearly everycase where egg insertion was made beyond the middle of the pod thelarva was to be found slightly back of the puncture, but where theegg was deposited between the stem and middle of th
Size: 1273px × 1962px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorunitedstatesbureauofe, bookcentury1900, bookdecade1900