. A manual of dangerous insects likely to be introduced in the United States through importations. Lefroy,) Fig. 4.—Peruvian cotton-stem vsreevil{Gasterocercodcs gossypii), adult. (Pierce.) COTTON INSECTS. 89 Contarinia gossypii Fell(Cotton Flower Bud Maggot. Itoiu<li<lae. Cecidoinyiidae; Diptera.) Hosts: Cotton, wild cotton, privet. Injury: Very serious pest of the flower buds in Antigua. Description and hioloijy: Adult fly 1 to mm. long; face fuscous, yellowish, eyeslarge, black: mesonotum dark brown, the submedian lines yellowish; scutellum andpostscutellura yellowish;abdomen gree
. A manual of dangerous insects likely to be introduced in the United States through importations. Lefroy,) Fig. 4.—Peruvian cotton-stem vsreevil{Gasterocercodcs gossypii), adult. (Pierce.) COTTON INSECTS. 89 Contarinia gossypii Fell(Cotton Flower Bud Maggot. Itoiu<li<lae. Cecidoinyiidae; Diptera.) Hosts: Cotton, wild cotton, privet. Injury: Very serious pest of the flower buds in Antigua. Description and hioloijy: Adult fly 1 to mm. long; face fuscous, yellowish, eyeslarge, black: mesonotum dark brown, the submedian lines yellowish; scutellum andpostscutellura yellowish;abdomen greenish yel-low. Pupa formed inground. Larva 2 , changing fromwhite to yellow or orangeas it grows; infests theflower buds of cotton,causing the bracts to flareand squares to drop (seetext hg. 49). Distribution: Antigua,St. Croix. Ballou, H. a. TheFlower-Bud Maggot ofCotton, West IndianBull., vol. 10, No. 1,pp. 1-28, figs. 1-9. Porricondyla Coiuillett. (Red Maggot of [Cecidomy-iidse]; Diptera.) Host: Cotton. Injury: Kills growingpart of plant by ^ Fig. flower bud-maggot {ton/arinia gossypii): Adult. (Ballou.) Description and injury: Adult fly very small. Larva, red maggots, feed under thebark of the stems of the cotton plant, whi^h they may completely girdle, causing the death of the parts above. Distribution: Barbados, Mont-
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashingtongovtprin
