Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . ^ tubercle concealed beneaththe labrum. It is seen in thebees on turning up the probably corresponds to thelabellum of Schiodte. Thelabrum (Fig. 41 e) is usuallytransverse and situated in frontof the dyp)eus (Fig. Alb). Theshield-like dypeus is the broad, * S- H- visor-like, square piece forming usually the front of the it is the dypeus posterior., or svpra-dyjjeus, a subdivisionof the cljpeus, and especially observable in th
Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . ^ tubercle concealed beneaththe labrum. It is seen in thebees on turning up the probably corresponds to thelabellum of Schiodte. Thelabrum (Fig. 41 e) is usuallytransverse and situated in frontof the dyp)eus (Fig. Alb). Theshield-like dypeus is the broad, * S- H- visor-like, square piece forming usually the front of the it is the dypeus posterior., or svpra-dyjjeus, a subdivisionof the cljpeus, and especially observable in the epicraninm forms a large part of the head ; it is boundedposteriorly by the occiput., on the sides by the eyes, and infront by the clypeus, and though usually described as asingle piece, is really composed of several. The ocelli (»ftenappear to be situated upon it, though in reality they are placedupon a distinct piece or pieces. The •ei)icranial suture is theline of junction of the two proc(i)halic lobes (Iluxley).. Fig. 41. Front view of the head of a bee, Anthcphora. a, coiniiound eyes; c,three simple eyes, situated upon the epicraninm; b, ; e, lahrum; il, un-tenna^;/, mandibles: i, maxilla;; h, palpi; /, palpUcr; /, laliial jialpi: m,paraglossa; i, ligula.—From * 30 THE CLASS OF INSECTS.
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
