180 Annals Entomological Society of America [Vol. VII, 
Compere (2, p. 710) recognized the melon fly as a new species 
in Hawaii and sent specimens to Coquillet (3, pp. 129-130) 
whose original description follows: 
“Dacus cucurbite.—Head light yellow; the occiput, except 
the sides and upper margin, reddish-yellow, an ocellar black 
dot, front marked with a brown spot in front of its centre, and 
with three pairs of orbital brown dots, a black spot on each side 
of the face near the middle, and a brown spot on the middle 
of each cheek; antenne, palpi, and proboscis yellow, the latter 
mottled with brown; thorax, reddish-yellow, the humeri, a 
median vitta on the posterior half of the mesonotum, another 
on each side, above the insertion of the wings, uniting with an 
irregular band which extends upon the pleura to the upper part 
of the sternopleura, also a large spot on each side of the metan- 
otum, encroaching upon the hypopleura, light yellow; scutellum, 
except its extreme base, light yellow, bearing two bristles; abdo- 
men light yellow on first two segments, reddish-yellow on the 
others, the extreme base, a fascia at the bases of the second and 
third segments, usually a lateral spot on the fourth and fifth, also 
a dorsal vitta on the last three segments, blackish or brownish; 
first segment of the ovipositor of the female slightly longer than 
the fifth segment of the abdomen. Wings hyaline, the apex of 
the subcostal cell, from a short distance in front of the apex of 
the auxiliary vein, the marginal and submarginal cells, the 
median third of the first basal cell, and a large spot in upper 
outer corner of the first posterior cell, brown, this colour en- 
croaching on the third posterior cell and bordering the sixth 
vein almost to its apex; posterior cross vein bordered with 
brown, this colour extending to the hind margin of the wing; 
upper end of the small cross vein is also bordered with brown. 
Halteres light yellow. Legs light yellow, the broad apices of 
the femora and the last four joints of the tarsi reddish-yellow; 
hind tibiz reddish-yellow or dark brown. Length, 6 to 8 mm. 
Type No. 4,207 in the United States National Museum.’’ 
IV. FIELD OBSERVATIONS IN A PUMPKIN PATCH. 
Casual observations on the injuries caused by the melon fly 
have been put on record but no intensive study of its destruc- 
tive work has as yet been published. In our work careful 
examinations were made of different parts of pumpkin plants 
to ascertain the following points: (1), where the pest deposits 
