Population structure in Zeugodacus cucurbitae (Diptera: Tephritidae) across Thailand and the Thai–Malay peninsula: natural barriers to a great disperser

The Thai–Malay peninsula represents a well-known transition zone between distinct floral and faunal assemblages of the Sundaland and mainland Asian regions and regional biogeographical patterns are known to be complex. The region represents the mid-point of the native range of the tephritid fruit fly Zeugodacus cucurbitae (Coquillett), which has existed in the region for a substantial proportion of its evolutionary history. Here, we integrate...