<![CDATA[Vatiga illudens Drake (Hemiptera: Tingidae) is a newly emerging pest of cassava in Indonesia. This species has not yet been classified as a quarantine pest by the Indonesian government, allowing it to spread largely unnoticed. This study aimed to determine the abundance and morphometric characteristics of V. illudens in Bogor Regency, West Java. The research was conducted by collecting lace bug specimens preserved in 70% alcohol from nine cassava plantations located in two villages of Bojong Gede Subdistrict and one village of Tajurhalang Subdistrict. Lace bug abundance was analyzed using the least significant difference (LSD) test. Specimens were identified based on morphological characteristics using an Olympus SZ51 stereo microscope, and morphometric variables were measured using a Leica DFC 450 microscope. The results confirmed that the collected specimens were V. illudens, and their body measurements were relatively larger than those reported from Brazil and East Java. The mean body length and width were 1.01 ± 0.03 mm and 0.25 ± 0.03 mm for first-instar nymphs; 1.29 ± 0.09 mm and 0.36 ± 0.02 mm for second-instar nymphs; 1.62 ± 0.13 mm and 0.54 ± 0.04 mm for third-instar nymphs; 2.36 ± 0.08 mm and 0.72 ± 0.06 mm for fourth-instar nymphs; 3.14 ± 0.15 mm and 0.98 ± 0.09 mm for fifth-instar nymphs; and 4.44 ± 0.11 mm and 1.28 ± 0.04 mm for imagos. The highest V. illudens abundance was observed in Susukan Village, and populations in all observation villages were dominated by males.]]>
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