42 



A MANUAL OF DANGEROUS INSECTS. 



Description and biology: G. ocellatella is a small yellowish gray moth with dark ribs 

 and an apical spot on the front wings; hind wings as large as front and whitish gray; 

 pupates in leaf rolls, in the roots or outside. Larva 10 to 12 mm. long, pale greenish 

 with a transverse row of reddish spots on each segment and two or three longitudinal 

 rose colored stripes. Feeds on leaves and for a short distance into the roots. 



Distribution: Europe. 



SORAUER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 263, 



f. 192. 

 Jablonowski, Jozsef. Die Tierischen Feinde der Zuckerriibe (translation by 



Julius Reitzer), 1909. pp. 136-142. 



^ Hymenia fascialis Cramer. 



(Hawaiian Beet Webworm. Pyra- 

 lidse; Lepidoptera.) 



Hosts: Sugar beet, Swiss chard, 

 mangel-wurzel, Amarantus, Euxo- 

 lus, purslane (Portulaca oleracea), 

 cucumber. Chenopodiaceae. 



Injury: Capable of doing consider- 

 able damage to truck by feeding on 

 foUage. Has been widely distrib- 

 uted. (See text figs. 25, 26.) 



Distribution: Japan, Hawaii. Trop- 

 ical America, Porto Eico. Europe, 

 South Africa, Australia, Madagascar, 

 Reunion, Mauritius, Florida, Ala- 

 bama, California, District of Colum- 

 bia. 

 Marsh, H. 0. U. S. Dept. Agr., 



Bur. Entom., Bui. 109, pt. 1, 1911, 



pp. 1-15, pi. 1, figs. 1, 2. 



>|<Cliortophila (Pegomya) liyoscyami 

 Pan/.er. (Phorbia vicina Liutii.) 



(Beet fly or spinach leafminer. An- 

 thomyidae; Diptera.) 



Hosts: Spinach, beets, sugar beets, 

 mangolds, orache, henbane, goose- 

 foot. 



Injury: Mines leaves. The mines 

 are blisterUke. 



Description and biology. Fly thorax lead gray, with five faint dorsal stripes, abdo- 

 men yellow gray with a faint brownish stripe; entire body with black bristles; head 

 silver white, with reddish shimmer; front and scutellum with orange, silver gray 

 streaks; eyes red; palpi yellow with dark apex; femora yellowish, tibise brown; 

 length, 6 mm. The species varies in color and has received a number of names. 



Distribution: Europe. Introduced into the United States and quite injurious to 

 spinach. 

 SoRAUER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p, 428, 429, 



fig. 261. 

 Chittenden, F. H. U. S. Dept. Agr. Div. Ent., bul. 43, 1903, pp. 50-52, fig. 50 (P. 



vicina Lintner). 

 Ormerod, Miss E. Manual Injurious Insects, 1890, pt. 1, pp. 144-147, fig. (P. betae 



Curt.). 

 Jablonowski, Jozsef. Die Tierischen Feinde der Zuckerriibe (translation by Juhus 

 Reitzer), 1909, pp. 303-315. figs. 61-63. 



Fig. 25. — Hawaiian beet webworm {Hymenia fascialis): 

 a, Egg on leaf; b, larva, dorsal view; c, larva, head and 

 first thoracic segment; d, abdominal segment, lateral 

 view; e, anal segment; /, pupa, lateral view; ^,cremas- 

 ter; ft, cocoon. All enlarged. (Marsh.) 



