. An introduction to zoology, with directions for practical work (invertebrates). 368 INTRODUCTION TO ZOOLOGY and also the effects of the sting on the victim are more severe. The possession of a sting is confined to the queen, and worker In all cases of stinging Hymenoptera {Aculeata), the sting seems to be developed from the same structures as the ovipositor, which is conspicuous in the non-aculeate forms. The worker bee seems to be an imperfectly developed female; occasionally she will lay eggs, and these, though. Fig. 293.—The Sting of a Honey Bee removed from the hody. d, Darts or lancets;


. An introduction to zoology, with directions for practical work (invertebrates). 368 INTRODUCTION TO ZOOLOGY and also the effects of the sting on the victim are more severe. The possession of a sting is confined to the queen, and worker In all cases of stinging Hymenoptera {Aculeata), the sting seems to be developed from the same structures as the ovipositor, which is conspicuous in the non-aculeate forms. The worker bee seems to be an imperfectly developed female; occasionally she will lay eggs, and these, though. Fig. 293.—The Sting of a Honey Bee removed from the hody. d, Darts or lancets; d\ tip of dart enlarged ; g, guide or director; £/',* tip of guide enlarged ; p, palp; pg, beginning of poison-gland ; ps, poison-sac; fd, poison- duct ; V, valve. never fertilised by a drone, will develop into new drone bees; such parthenogenetic eggs are fairly common amongst the Hymenoptera. The males or drones are larger and broader DroiTes.'^ in build than worker or queen, and have bigger wings. Their eyes also are relatively larger, meeting on the top of the head (Fig. 287). They do none of the ordinary work of the hive, neither collecting pollen or honey, nor caring for the young, and they are there- fore without some of the special structures possessed by the worker, having no "pollen-baskets," only a short and weak proboscis, and no sting. The queen a,l§o lacks pollen- baskets and the long Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lulham, Rosalie Blanche Jermaine. London, Macmillan


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondo, bookyear1913