Aquatic macroinvertebrates of Nee Soon 
85 
Fig. 6. Distribution and abundance of order Lepidoptera in the Nee Soon drainage. Solid 
circles indicate sites where representatives were collected and circle sizes are proportionate to 
abundance/numbers of individuals captured as reflected in the accompanying legend. 
drainage (recorded in 24 sites), and are typically found in low numbers (one to five 
specimens recorded for each family per site). Large numbers of Corixidae (122) were 
recorded at site 32 (Fig. 5). Out of the six families of Hemiptera recorded, Gerridae 
was the most common (recorded at 16 sites), while Corixidae (seven sites), Haliplidae 
(one site), Hebridae (one site), Mesoveliidae (two sites) and Veliidae (six sites) were 
uncommon (Table 2). 
Order Lepidoptera 
The order Lepidoptera includes the butterflies and the moths. While these insects are an 
extremely diverse and abundant group, only one family (Crambidae) has been recorded 
within the streams of the Nee Soon freshwater swamp forest, as most lepidopterans 
