June, ’20] 
AINSLEE: CORNPITH WEEVIL 
279 
somewhat shorter and thicker set® (fig. 10, 9); maxillary palp short, with two articles, 
basal article a little longer and about twice as wide as the apical which is conical and 
about as long as wide; basal article with one short seta and two sensory punctures, 
apical article finely papillose at the tip, one sensory puncture. Stipes labii (s. fig. 10,7) 
fleshy, with one seta, posteriorly limited by a curved chitinization, the posterior end 
of which is amalgamated medianly with an unpaired, spear-shaped longitudinal 
chitinization. Ligula and lingua (lig. fig. 10, 7 and lin. fig. 10, 9) fused into a short, 
slightly bidivided lobe; ligula region with one well-developed seta, lingua region with 
one minute seta. Maxillul® (m. fig. 10, 9) lobe shaped, densely setose. The undi¬ 
vided subfacial area (sf. fig. 10, 7) is probably formed by a fusion of the mental, 
submental and the maxillary articulating areas; it carried three pairs of setae, the 
position and size of which is shown in figure 10, 7. 
Thorax. Prothoracic tergum simple with the different tergal areas very slightly 
indicated; prescutal region with one seta (p. fig. 10, 3); scuto-scutellar region with one 
distinct and two very small setae (s. fig. 10, 3); alar region with one seta (a. fig. 10, 3). 
Meso-and metathorax with two tergal pleats, one formed by praescutum, and the other 
by scuto-scutellum and alar area; praescutum with one seta; scuto-scutellus with one 
distinct seta and two very small setae below and one very small seta above this; alar 
area with one seta. Prothoracic epipleurum (e. fig. 10, 3) small, consisting of a trian¬ 
gular, glabrous preepipleural area and a triangular glabrous postepipleural area, both 
above hypopleurum (h. fig. 10, 3) and separated from this area by the ventro-lateral 
suture; questionable if the spiracle carrying area belongs to prothorax; more probably 
to be interpreted as a separate part of the mesothoracic preepipleurum. Meso- 
thoracic preepipleurum anteriorly pushed forward into prothorax and separating 
the spiracle carrying area from the prothoracic postepipleurum, large triangular, with 
three setse; mesothoracic postepipleurum triangular, glabrous, placed above the meso¬ 
thoracic hypopleurum. Metathoracic praeepipleurum triangular, bidivided, each 
division with one seta; metathoracic postepipleurum triangular, glabrous. Meta¬ 
thoracic, rudimentary spiracle not observed in the present species. All thoracic 
hypopleural as well as sternal areas similar in position, shape and size. Thoracic 
hypopleurum situated below ventro-lateral suture, semioval, with one distinct seta; 
an additional very small seta on prothoracic hypopleurum. Thoracic presternum 
wanting in front of each thoracic segment; eusternum large, unpaired, triangular, with 
one seta on each side of body’s middle line; parasternum or coxal lobe, representing 
the leg, triangular, with one large and four small set®; sternellum wanting; post- 
sternellum transversal, bandlike, with small median notch, glabrous. 
Abdomen. The first seven abdominal segments almost identical in every respect; 
the three last segments somewhat modified and reduced. Abdominal tergum divided 
into four main pleats, corresponding to prescutum, scutum, scutellum, and post- 
scutellum; second pleat indistinctly divided into a median dorsal part, scutum proper, 
and a lateral part; likewise the third pleat, divided into a median, dorsal part, scutel¬ 
lum proper and a lateral part; the two mentioned lateral parts are fused around the 
spiracle, together forming an area which corresponds to the alar area of the thoracic 
segments. Prescutum with one seta; scutum proper glabrous; scutellum proper with 
five set® transversely arranged in proportion to the length of body, two of which are 
large, two small, above, and one small between the large set®; division below scutum 
proper with one seta and division below scutellum proper with one; postscutellum 
glabrous, functioning as articulating (or intersegmental) skin. Epipleurum ven- 
trally limited by ventro-lateral suture; median region slightly indicated, bearing two 
set®; preepipleural region subtriangular, dorsally reaching end of prescutum, glab¬ 
rous; postepipleural region correspondingly shaped but not extending so far dor- 
sally as preepipleurum, glabrous. Hypopleurum dorsally limited by ventrolateral 
