Brachymelecta, Linsley, 1939
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publication ID |
https://doi.org/ 10.5852/ejt.2021.754.1393 |
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publication LSID |
lsid:zoobank.org:pub:22C1F6A8-1FA5-482B-B577-9265D8C51183 |
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DOI |
https://doi.org/10.5281/zenodo.4967915 |
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persistent identifier |
https://treatment.plazi.org/id/03CBE758-FFAA-3F4D-FF51-2C536523F870 |
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treatment provided by |
Felipe |
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scientific name |
Brachymelecta |
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Key to both sexes of the species of Brachymelecta View in CoL
1. Mandible bidentate, with inner preapical tooth as well as usual apical tooth (rutellum) ( Fig. 14A View Fig ). Mesoscutum covered in dense, uniformly golden-yellow hairs ( Fig. 15 View Fig ). Mesoscutellum without pair of spines or well-defined mammiform tubercles, although mesoscutellum bigibbous to some degree and sometimes with pair of very minute protrusions ( Fig. 15D View Fig ). Mesotibia with black hairs only ( Fig. 15A, C View Fig ). T1–T4 without fasciae or with only very faint apical bands of golden-yellow hairs ( Fig. 15B View Fig ) ...................................................................................... B. larreae ( Cockerell, 1900)
– Mandible tridentate, with inner basal tooth as well as inner preapical tooth and usual apical tooth (rutellum) ( Fig. 14B View Fig ). Mesoscutum with pair of spots or bands ( Figs 3B View Fig , 5B View Fig , 10B View Fig , 11 View Fig , 13B View Fig , 16B View Fig ). Mesoscutellum with pair of spines or mammiform tubercles (least developed pair shown in Fig. 13D View Fig ) (see also Figs 3D View Fig , 5D View Fig , 10D View Fig , 16D View Fig ). Mesotibia dorsally with some off-white or yellow-orange hairs, those of female sparser and usually reduced to small bands or spots ( Figs 3A–B View Fig , 5A View Fig , 10A–B View Fig , 11 View Fig , 16A–B View Fig ); those of male forming patch of very dense off-white, golden-yellow, or yellow-orange hairs, occupying nearly entire dorsal surface ( Figs 3C View Fig , 5C View Fig , 7A, C View Fig , 8A–B View Fig , 13C View Fig , 16C View Fig ). T1–T3 with well-defined off-white to golden-yellow or yellow-orange apical fasciae ( Figs 3A–C View Fig , 5A–C View Fig , 8A–C View Fig , 10A–C View Fig , 11 View Fig , 13A–C View Fig , 16A–C View Fig ), rarely entirely covered in pale tomentum ( Figs 7A–C View Fig , 8D View Fig ) ............. 2
2. Mesoscutum with pair of anterior spots or bands of hairs darker than surrounding off-white or yellow-orange hairs ( Figs 5B View Fig , 13B View Fig ). Mesoscutellum with pair of short, mammiform tubercles ( Figs 5D View Fig , 13D View Fig ). Maxillary palpus with four or five palpomeres ( Fig. 12A View Fig ) [North America] .................. 3
– Mesoscutum with pair of central spots of off-white or pale to golden-yellow hairs lighter than surrounding black hairs ( Figs 3B View Fig , 10B View Fig , 11 View Fig , 16B View Fig ). Mesoscutellum with pair of spines ( Figs 3D View Fig , 10D View Fig , 16D View Fig ). Maxillary palpus with fewer than four palpomeres ( Fig. 12B View Fig ) [Greater Antilles] ................. 4
3. T3 and T4 each with fascia narrowed or interrupted laterally, mesad the inner pair of anterolateral extensions ( Fig. 5A–C View Fig ). Fore wing infuscate apically, subhyaline in most cells and around third submarginal crossvein and second recurrent vein ( Fig. 5A–C View Fig ). Head, mesosoma, and metasoma with pale hairs off-white (rarely pale yellow and never orange) ( Figs 5A–C View Fig , 8 View Fig ) ........................................................................................................ B. californica ( Cresson, 1878)
– T3 and T4 each with fascia broadened anterolaterally, that of T3 into inner pair of anterolateral extensions ( Fig. 13A–C View Fig ). Fore wing infuscate throughout except subhyaline around third submarginal crossvein and second recurrent vein ( Fig. 13A–C View Fig ). Head, mesosoma, and metasoma with pale hairs typically pale yellow to yellow orange ( Fig. 13A–C View Fig ) ......................... B. interrupta ( Cresson, 1872) View in CoL
4. Mesoscutum with band of pale hairs along midline not attaining posterior margin ( Fig. 3B, D View Fig ). Mesoscutellum, except for pair of spines and around their bases, densely covered in pale pubescence greatly obscuring underlying integument ( Fig. 3D View Fig ) [ Cuba] .................... B. alayoi ( Michener, 1988)
– Mesoscutum and mesoscutellum each with uninterrupted band of pale hairs along entire midline ( Figs 10B, D View Fig , 11 View Fig , 16B, D View Fig ). Mesoscutellum pubescence otherwise dark brown or black, sparse, not obscuring underlying integument ( Figs 10D View Fig , 16D View Fig ) [other regions] ................................................. 5
5. T1–T3 with fasciae pale yellow, narrowly interrupted medially in female ( Fig. 10B View Fig ), complete in male ( Fig. 9A View Fig ) [Hispaniola] ................................................................ B. haitensis ( Michener, 1948)
– T1–T3 with fasciae off-white, widely interrupted medially in female ( Fig. 16B View Fig ), narrowly interrupted medially in male ( Fig. 9B View Fig ) [ Puerto Rico and U.S. Virgin Islands] ......... B. tibialis ( Fabricius, 1793) View in CoL
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