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abdomen abdominal segment abdominal tubercles adult Amer antennae aphids appears attached bands black spots body border brownish black chitinous Chrysopa nigricornis Chrysopa oculata Chrysopa plorabunda Chrysopa rufilabris chrysopid larvae Coccinellidae cockerelli cocoon color converging copulation dark darker deposited dorsal vessel dorsum dorsum of head eggs extending female First-instar larva Fitch grayish harrisii Head and prothorax Hemerobiidae inner pair insects instar jaws July 20 June labium larva of Chrysopa larva.—Head lateral tubercles leaf legs Length of larva lineaticornis mandibles maple marked Mature third-instar larva maxillae Meleoma mesothorax metathoracic molt nigricomis observed outer pair oviposition palpi papillae parasites patch pharynx Plate posterior prepupa prominent prothorax pupa pupal pupate readily rearings reddish brown Second-instar larva seen Sept setae side of dorsal skin species specimens spinning subsegment thoracic tubercles thorax tips trash carriers venter ventral vial width at metathorax width of head wings writer yellow