S. Mahunka szerk.: Folia Entomologica Hungarica 46/1. (Budapest, 1985)

Table 1. Average and extreme values of measurements of different larvae of ten Aradus species in mm. In brackets number of measured specimens is given. body head head pronotum pronotum abdomen antenna length length width length width width length versicolor (2)L

4

(10) L <U) depressus L

5

(10) truncatus L (3) 5 distinctus L(4J L

4

(l) L (8) b serbicus L (1) 4 L_(6) o bimaculatus Lg(l) L (10) kuthyi L

4

(l) L (6) o lugubris LJ2) 5 L_(2) o 3.19 0. 64 0.77 0. ,32 1.09 1.68 0.98 3. 06-3.32 0. 60-0.68 0.77 0. 30 -0.34 1. 07-1.11 1 . 62-1.74 0. 96-1.01 4. 53 0. RR 1.03 0, 46 1.59 2.35 1.30 3. 83-4.98 0. fil -0.94 0. 98-1.06 0. 38-0.51 1. 40-1.70 1. 91-2.68 1 . 15-1.35 5.59 1. 09 1.30 0, ,60 2.11 3.00 1.68 4. 60-6.26 0. 98-1.19 1 . 19-1.40 0. 55-0.68 1, ,92-2.38 2. 60-3.41 1, 58-1.82 3.02 0. ,64 0.74 0. ,29 1.04 1.53 0.88 2. 98-3.06 0, ,64 0. 72-0.75 0. 28-0.30 1. 02-1.06 1. 45-1 .62 0. 85-0.89 4.46 0, ,87 0.99 0 , 49 1. 53 2.41 1.24 3. 87-4.89 0, 81-0.89 0. ,94-1.02 0, 38-0.55 1, ,36-1.66 2, ,26-2.60 l

, ,16-1.30 5. 59 1 ,05 1.16 0 .62 1.84 2.92 1.60 5. 45-5.70 1, 02 -1.06 1. ,15-1.19 0 ,59 -0.64 1 ,83-1.87 2 ,85-2.98 1 ,49-1.65 3.49 0 .68 0.85 0 .34 1.28 0.96 3. 23-3.58 0 ,64 -0.72 0, ,81-0.89 d .34 1 ,24-1.32 0, ,95-0.97 5.15 0 ,85 1.03 0 . 52 1.67 2.72 1.33 4. 47-5.92 0, . 77 -0.89 0. ,96-1.06 0, .43 -0.64 1 .45-1.92 2 .34-3.11 1 .27-1.41 2.93 0 .60 0.81 0 .26 0.98 1.45 0.95 4.02 0 .79 0.97 0 .42 1.23 1.95 1.29 3. 45-4.30 0, . 72 -0.85 0, .94-0.98 0, . 34 -0.47 1 ,15-1.32 1 .65-2.17 1, .25-1.35 4.00 0 .77 0.79 0 .38 1.32 2.09 1.27 5.56 0 .93 1.04 0 .67 1.74 2.82 1.69 5. 23-5.92 0, , 89-0.98 0, ,98-1.11 0, , 60 -0.77 1 .66-1.83 2 .72-2.98 1 .67-1.72 2.30 0 .46 0.56 0 .20 0.71 1.07 0.62 3. 32 0 .60 0. 73 0 .29 1.10 1.64 0.79 2. 90-3.61 0 ,60 -0.63 0. ,71-0.75 0, .2 1 -0.32 1 .03-1.15 1 .55-1.87 0 .76-0.82 4.73 0 . 76 0.94 0 .45 1. 56 2.27 1.14 1. 17-5.15 0, ,6 8. -0.83 0. ,87-0.99 0 .40 -0.52 1 .47-1.71 2 ,02-2.62 1 ,10-1.22 3.32 0 .62 0.70 0 .30 1.02 1.66 0.91 4.09 0 . 73 0.88 0 .38 1.34 2.17 1.21 3. 60-4.46 0 ,68 -0.77 0.85-0.89 0 .30 -0.43 1 .23-1.45 2 .09-2.30 1 .16-1.29 4.66 0 .87 0.94 0 .45 1. 55 2.30 1.35 4. 51-4.81 0, ,85 -0.89 0, ,92-0.96 0, .43 -0.47 1 .53-1.57 2 . 30 1 .32-1.37 5.98 1 .13 1.28 0 .67 1.88 2.75 1.29 5, 28-6.68 1 . 11 -1.15 1 .23-1.32 0 . 56 -0.77 1 .71-2.04 2 .30-3.19 1 .21-1.36 Aradus versicolor Herrich-Schäffer, 1835 Third instar larva (Figs 1, 5): Coloration similar to that of the fourth intar, antenna! joints 1-3 yellow, 1-2 only slightly darker than 3. Head about 0.8 times as long as wide, antenniferous tubercle acute, preocular tubercle developed, blunt, postocular tubercle low, mostly marked by granulation. Antenna cylindrical, relative length of antenna! joints 1 to 4 as 17:18:24:41.Rostrum reaching little beyond hind margin of prosternum. Pronotum 3.4 times as wide as long.Pro- meso-