Proceedings of the United States National Museum . d setae which are usually equalin length to the blade of the mandible; in Tromatohia the setae arevery small and groups of spines are present; spines are absent fromother genera of the tribe. Larval Key 1. Small lobes present on ventral edge of labial sclerite ^ 2 Small lobes not present on ventral edge of labial sclerite 3 2. Hypostomal spur as broad as or broader than posterior part of hypostoma. Calliephialtes, EphialtesHypostomal spur more narrow than posterior part of hypostoma . Scambus 3. Mandible with blade bifurcated 8 Delomerista Man
Proceedings of the United States National Museum . d setae which are usually equalin length to the blade of the mandible; in Tromatohia the setae arevery small and groups of spines are present; spines are absent fromother genera of the tribe. Larval Key 1. Small lobes present on ventral edge of labial sclerite ^ 2 Small lobes not present on ventral edge of labial sclerite 3 2. Hypostomal spur as broad as or broader than posterior part of hypostoma. Calliephialtes, EphialtesHypostomal spur more narrow than posterior part of hypostoma . Scambus 3. Mandible with blade bifurcated 8 Delomerista Mandible with blade not bifurcated 4 4. Enlargement present on posterior part of hypostoma Iseropus Enlargement not present on posterior part of hypostoma 5 5. Slender epistomal arch present Tromatobia Epistomal arch absent Alophosternum Except Scambus pomorum (Ratzeburg) (Imms, 1918; Speyor, 1920) and Calliephialtes dimorphus Cush-man (Sauer, 1939). Except Delomerista sp. (Morris, Cameron and , 1937). 402 PROCEEDINGS OF THE NATIONAL MUSEUM. ,i^.^^—^-^^fi-^— Ol mm
Size: 1926px × 1297px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
