S. Mahunka szerk.: Folia Entomologica Hungarica 44/2. (Budapest, 1983)
Fig. 2: The apterous viviparous adult female of Brachycaudus amygdalinus II) The larval instars The first instar larva: In life yellow in colour. In mounted specimens body oval, very small about 0.574-0.806 mm long. Frons slightly sinuated, median frontal tubercle a little higher than lateral frontal tubercles. Head and pronotum sclerotized; meso and metanotum membraneous.Transverse rows of imbrication on abdominal tergites absent, membraneous. Abdominal tergites bearing numerous fine hairs, longest hairs about 0.040 mm long. Antennae usually 5 jointed, about 0.3-0.6 times as long as the body. Length of antennái joint from the third to the fifth as: 0.040-0.085, 0.030-0.050, 0.045-0.050 for the basal part and 0.075-0.090 mm for the unguis, without secondary rhinaria on the third joint. Processus terminális 1.5-2.0 times as long as base of joint V, and 0.9-2.3 of the length of joint III. Tip of rostrum generally reaching to the end of hind coxae; ultimate rostral joint about 0.065-0.080 mm long, 0.8-1.0 times as long as second joint of hind tarsi. Siphunculi cylindrical, very small, about 0.030 to 0.040 mm long, about 0.04-0.07 of the body length. Cauda semi-circular, very small, about 0.020-0.040 mm long, bearing 2 hairs, about 0.3-0.6 times as wide at base as its length. Legs bearing numerous fine hairs longest hairs 0.040 mm long. Hind tarsal joint H about 0.80 mm long. First tarsal joint with 3,3,2 hairs. (Measurements see Table 3.).