Females of A, B Macracantha arcuata and C, D M. hasselti showing dorsal view (left) and ventral view (right) A orange morph, specimen from Prachuap Khiri Khan (MUMNH-ARA-MAC008) B white morph, specimen from Kanchanaburi (MUMNH-ARA-MAC013-W1) C sharp spines morph, specimen from Saraburi (MUMNH-ARA-GAS018) D long spines morph, specimen from Phetchaburi (MUMNH-ARA-GAS025).

  Part of: Macharoenboon K, Siriwut W, Jeratthitikul E (2021) A review of the taxonomy of spiny-backed orb-weaving spiders of the subfamily Gasteracanthinae (Araneae, Araneidae) in Thailand. ZooKeys 1032: 17-62. https://doi.org/10.3897/zookeys.1032.62001