Gymnetron

Mature larva: body elongate, slender, weakly curved, rounded in cross section; body length 2.40–2.50 mm, width 1.20–1.45 mm. All thoracic and abdominal segments white, cuticle smooth or with many reddish or brown asperities. Setae on body thin, distinctly different in length (minute to very short or long). Head with frontal sutures distinct, extended to antennae; one stemma on each side, pigmented spot with convex cornea, located anterolaterally above frontal suture. Antennae at end of frontal suture, membranous, distinctly convex basal article bearing one conical sensorium, relatively long. Clypeus trapezium-shaped, about 3–4× as wide as long, with two relatively long cls located posterolaterally. Pronotum with four pns; mesonotum slightly or sometimes distinctly smaller than metanotum. Abdominal segments I–III of almost equal length, next segments shortening gradually. Abdomen with seven spiracles, all anterolateral and unicameral, each with single annulated air-tube shorter than diameter of circular peritreme.

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