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Madagascar is a freshwater biodiversity hotspot, yet the current understanding of freshwater bryozoan diversity is limited. Using a dissecting microscope, bryozoan statoblasts were collected during macrofossil analysis of a sediment core, which was taken from Lake Sofia, Madagascar, in 2019. There was a peak in the abundance of statoblasts prior to 1900, with 67 statoblast valves found at 45.5 cm and a decline in more recent sediments. A subsample of 14 specimens was examined under a scanning electron microscope to determine species identification. One of the species found was Plumatella kinesis. Two new species, Plumatella tsimiheta sp. nov. and Plumatella sofiae sp. nov. were also found and described. These results show the potential of lake sedimentary bryozoan remains for categorising species presence and distribution. Although poor preservation was a limitation for identification, there is still value in having a historical record of past biodiversity, especially when species may no longer be extant. This study highlights the need for further research to better understand the status of these species and other potential new species of bryozoan in Madagascar.
New and notable stomatopods are reported on and added to the Mozambican faunal list, based principally on material housed in the collections of the Iziko South African Museum. Seven species are reported for the first time from Mozambican waters including one undescribed species of Clorida Eydoux & Souleyet, 1842, bringing the total known Mozambican stomatopod fauna to 22 species, comprising 17 genera and eight families. The known fauna is tabulated and taxonomic accounts of eight species are given, seven of these representing the new species records including one undescribed species, while the eighth species account is of the previously poorly documented Erugosquilla woodmasoni (Kemp, 1911), which is reported on from unpublished material. The new record of Manningia australiensis Manning, 1970 represents the first record of the family Eurysquillidae from southern Africa.
The lianescent genus Tinospora Miers in Singapore is revised. Four species are recognised, two of which are newly described. Tinospora krispura I.M.Turner sp. nov. is known from Christmas Island and Singapore. Tinospora singapura I.M.Turner sp. nov. is known only from Singapore. Two new lectotypifications are included, one at the second step.
The historical context of Myxicola species identification, around the UK and Europe, is reviewed and confusion surrounding the type species for the genus, Myxicola infundibulum (Montagu, 1808), discussed. Myxicola infundibulum is re-described and a neotype designated. A new species, M. polychroma sp. nov., is also described from the UK and is discussed, along with M. infundibulum, in relation to historical synonymised species from the region as well as current species known worldwide. Genetic and morphological details are provided for both species to aid in distinguishing them and determining the validity of other taxa in the future. Myxicola polychroma sp. nov. is distinguished through a combination of non-differentially coloured radiole tips, long, fine pinnulae that terminate below the lower margin of the basal membrane, large, fleshy, triangular radiolar appendages that arise centrally, interramal eyespots, dense, fine notochaetae and uncini with upper teeth 0.6–0.8 × length of the main fang. The type specimens of Myxicola steenstrupi Krøyer, 1856 and the status of that species are also discussed.
Paratelenomus saccharalis (Dodd) (Hymenoptera: Scelionidae) parasitizing Brachyplatys subaeneus (Westwood) eggs is reported for the first time for Panama. Brachyplatys subaeneus is an invasive species from Asia and is regarded as an important agricultural pest in the Americas.
ZooBank registration. urn:lsid:zoobank.org:pub:CD3639E3-2A17-44D8-B73C-CA71C779BCCA
Acmaeodera natlovei new species (Coleoptera: Buprestidae) is described from the southwestern United States. Details of phenology, geographic range, larval, flower and adult host plants, and similar species are discussed. Acmaeodera yuccavora Knull, 1962 is newly synonymized with Acmaeodera conoidea Fall, 1899. Acmaeodera thoracata Knull, 1974 and A. bryanti Van Dyke, 1953 are newly synonymized with Acmaeodera neoneglecta Fisher, 1949. New state and host records are reported for United States. A key to the 46 species of Acmaeodera occurring east of the Rocky Mountain states is provided.
ZooBank registration. urn:lsid:zoobank.org:pub:E03CF02E-D212-4AF1-8E3B-5AE3463D2A71
After 105 years of study and 425 recent natural photographs, the host spider and nesting behavior of Pepsis elegans Lepeletier (Hymenoptera: Pompilidae: Pepsinae) remain a mystery. Pepsis elegans is the only species in the large and impressive genus Pepsis Fabricius that lives east of the Mississippi River, mainly in the southern U.S. The other 14 Nearctic Pepsis species inhabit the southern U.S. west of the Mississippi River and northern Mexico. They capture and provision their nests with large, hairy, heavy-bodied, stout-legged tarantulas of the genus Aphonopelma Pocock (Araneae: Mygalomorphae: Theraphosidae), the only native theraphosid genus in this region. There are no tarantulas east of the Mississippi River, except in East Baton Rouge Parish, LA, and no valid host spider records or nesting biology information for P. elegans, the largest spider wasp in the eastern US. Rau and Rau’s (1918) questionable field observation of this secretive, dark, violaceous-winged spider wasp yielded no nest, host spider or wasp specimen, and only initiated questions about its identification and nesting biology. The method of host spider transport, as described in Rau and Rau’s (1918) observation, is identical with that of Entypus fulvicornis (Cresson) (Hymenoptera: Pompilidae: Pepsinae), a species similar in size and color to P. elegans and often misidentified as such and vice versa. Potential host spider for P. elegans may include cork-lid trapdoor spiders in the genus Ummidia Thorell, especially U. audouini (Lucas) (Araneae: Mygalomorphae: Halonoproctidae). This spider is abundant, sizeable, and stout enough to provide sufficient food for the developing P. elegans larva. The genus Ummidia and P. elegans have nearly identical geographic location maps and occur in the same habitat. Pepsis elegans could conveniently use the spider’s burrow as a nest without having to excavate one from the ground surface and be detected by the burrowing activity or lengthy, arduous, and cumbersome host spider transport. Pepsis elegans females from various localities had dried mud on the forewings and body inferring they were underground in moist, fine-grained soil as in a burrow. Females were active at night introducing the possibility of cryptic nocturnal nesting, as in some other Pepsis species. Ummidia audouini is nocturnally accessible in its burrow entrance, holding the trapdoor slightly ajar as it waits in the darkness to ambush unsuspecting prey. Punzo’s (2005) study of the closely related, orange-amber-winged, southwestern U. S. and Mexican P. cerberus Lucas is questionable based on the spider misidentification, possible wasp misidentification, and incompatible spider wasp-tarantula size difference. The host of P. cerberus and P. novitia Banks, a possible P. cerberus × P. elegans hybrid (Hurd 1952), is likely the southwestern wafer-lid spider Eucteniza relata (O. P.-Cambridge) (Araneae: Mygalomorphae: Euctenizidae) (Gillaspy 1990) and not Aphonopelma as indicated by Punzo (2005).
ZooBank registration. urn:lsid:zoobank.org:pub:A5795DAA-ABE6-494D-A6A5-1BCA9D84D0C7
New state records for 33 species of Leiodidae (Coleoptera) are reported from Ohio, with the majority of records from one locality in the southeastern portion of the state. This doubles the known members of
the family in Ohio to 66 species in 20 genera.
ZooBank registration. urn:lsid:zoobank.org:pub:DF3542D6-680B-4F0F-9D93-A30529720879
t. This paper presents a taxonomic review of the genus Melanocanthon Halffter, a group of ball-rolling (telocoprid) dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) endemic to eastern North America. The genus comprises five species, each keyed, diagnosed, illustrated and presented with information on distribution, relationships, and biology: Melanocanthon punctaticollis (Schaeffer), M. granulifer (Schmidt), M. nigricornis (Say), M. bispinatus (Robinson) and Melanocanthon vulturnus Edmonds, new species.
ZooBank registration. urn:lsid:zoobank.org:pub:FA7D5D5E-CEB8-48ED-A442-74C315FCF5E4
Five species of the cheiracanthiid spider genus Cheiracanthium C.L. Koch, 1839 collected from China are diagnosed and described as new to science based on morphological characters: Cheiracanthium arcilongum sp. nov. (♂♀) from Yunnan, C. circulum sp. nov. (♂♀) from Yunnan, C. digitatum sp. nov. (♂♀) from Anhui, C. jiuquan sp. nov. (♂♀) from Guangxi and C. xinjiangense sp. nov. (♂♀) from Xinjiang. In addition, the photos of the habitus, copulatory organs and distribution map are provided for all species. However, DNA barcodes information is only provided for four species.