. Elementary entomology. Entomology. HYMENOPTERA 253 The chalcis-flies (Chalcididae) are even smaller, and are usually blackish with strongly metallic reflections of bronze or green, and are readily recognized by the stout bodies and the almost entire ab- sence of wing veins. Some of them are parasitic on various cater- pillars. One species {Pteronuihts piipannn) attacks the common. 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

. Elementary entomology. Entomology. HYMENOPTERA 253 The chalcis-flies (Chalcididae) are even smaller, and are usually blackish with strongly metallic reflections of bronze or green, and are readily recognized by the stout bodies and the almost entire ab- sence of wing veins. Some of them are parasitic on various cater- pillars. One species {Pteronuihts piipannn) attacks the common. 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  Stock Photo
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. Elementary entomology. Entomology. HYMENOPTERA 253 The chalcis-flies (Chalcididae) are even smaller, and are usually blackish with strongly metallic reflections of bronze or green, and are readily recognized by the stout bodies and the almost entire ab- sence of wing veins. Some of them are parasitic on various cater- pillars. One species {Pteronuihts piipannn) attacks the common. 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 work.. Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882; Metcalf Collection (North Carolina State University). NCRS. Boston, Ginn