84 
Ganl. Bull. Singapore 70 (Suppl. 1) 2018 
spring tear waiure raw u 
28 
Fig. 5. Distribution and abundance of order Hemiptera 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. 
N 
Upper PeUce ^ Map data 2017 Google 
Hemiptera 
• c 
• 20 
• a (, 
• w 
• » 
0 100 
41 120 
drainage, respectively (Table 2). Heptageniidae, Leptophlebiidae and Siphlonuridae 
were, however, less common, and were recorded at 12 and five sites across the Nee 
Soon drainage, respectively. 
Order Hemiptera 
Six families of Hemiptera were found in the Nee Soon freshwater swamp forest. 
Commonly known as the “true bugs”, hemipterans all possess a rostrum, a hollow 
feeding tube which is used to pierce and suck food, whether plant or animal in origin 
(Tran et al., 2015). Like the beetles, both the adults and the juveniles of this group 
are aquatic, with some living on the surface of the water and others swimming in the 
water column (Tran et al., 2015). Hemiptera are relatively uncommon in the Nee Soon 
